diff --git a/Meta/Lagom/Tools/CodeGenerators/LibWeb/WrapperGenerator/IDLGenerators.cpp b/Meta/Lagom/Tools/CodeGenerators/LibWeb/WrapperGenerator/IDLGenerators.cpp
index 452632a234e..c62d51899eb 100644
--- a/Meta/Lagom/Tools/CodeGenerators/LibWeb/WrapperGenerator/IDLGenerators.cpp
+++ b/Meta/Lagom/Tools/CodeGenerators/LibWeb/WrapperGenerator/IDLGenerators.cpp
@@ -2077,7 +2077,7 @@ namespace Web::Bindings {
     if (interface.wrapper_base_class == "Wrapper") {
         generator.append(R"~~~(
 @wrapper_class@::@wrapper_class@(JS::Realm& realm, @fully_qualified_name@& impl)
-    : Wrapper(verify_cast<HTML::Window>(realm.global_object()).ensure_web_prototype<@prototype_class@>("@name@"))
+    : Wrapper(verify_cast<HTML::Window>(realm.global_object()).cached_web_prototype("@name@"))
     , m_impl(impl)
 {
 }
@@ -2087,7 +2087,7 @@ namespace Web::Bindings {
 @wrapper_class@::@wrapper_class@(JS::Realm& realm, @fully_qualified_name@& impl)
     : @wrapper_base_class@(realm, impl)
 {
-    set_prototype(&verify_cast<HTML::Window>(realm.global_object()).ensure_web_prototype<@prototype_class@>("@name@"));
+    set_prototype(&verify_cast<HTML::Window>(realm.global_object()).cached_web_prototype("@name@"));
 }
 )~~~");
     }
@@ -3775,7 +3775,7 @@ namespace Web::Bindings {
 }
 
 @wrapper_class@::@wrapper_class@(JS::Realm& realm, @fully_qualified_name@& impl)
-    : Wrapper(verify_cast<HTML::Window>(realm.global_object()).ensure_web_prototype<@prototype_class@>("@name@"))
+    : Wrapper(verify_cast<HTML::Window>(realm.global_object()).cached_web_prototype("@name@"))
     , m_impl(impl)
 {
 }
diff --git a/Userland/Libraries/LibWeb/Bindings/AudioConstructor.cpp b/Userland/Libraries/LibWeb/Bindings/AudioConstructor.cpp
index ea2f9ae745f..914f91d9ebd 100644
--- a/Userland/Libraries/LibWeb/Bindings/AudioConstructor.cpp
+++ b/Userland/Libraries/LibWeb/Bindings/AudioConstructor.cpp
@@ -24,7 +24,7 @@ void AudioConstructor::initialize(JS::Realm& realm)
     auto& window = verify_cast<HTML::Window>(realm.global_object());
     NativeFunction::initialize(realm);
 
-    define_direct_property(vm.names.prototype, &window.ensure_web_prototype<HTMLAudioElementPrototype>("HTMLAudioElement"), 0);
+    define_direct_property(vm.names.prototype, &window.cached_web_prototype("HTMLAudioElement"), 0);
     define_direct_property(vm.names.length, JS::Value(0), JS::Attribute::Configurable);
 }
 
diff --git a/Userland/Libraries/LibWeb/Bindings/ImageConstructor.cpp b/Userland/Libraries/LibWeb/Bindings/ImageConstructor.cpp
index d7f5be791a8..4d1f313ed6f 100644
--- a/Userland/Libraries/LibWeb/Bindings/ImageConstructor.cpp
+++ b/Userland/Libraries/LibWeb/Bindings/ImageConstructor.cpp
@@ -24,7 +24,7 @@ void ImageConstructor::initialize(JS::Realm& realm)
     auto& window = verify_cast<HTML::Window>(realm.global_object());
     NativeFunction::initialize(realm);
 
-    define_direct_property(vm.names.prototype, &window.ensure_web_prototype<HTMLImageElementPrototype>("HTMLImageElement"), 0);
+    define_direct_property(vm.names.prototype, &window.cached_web_prototype("HTMLImageElement"), 0);
     define_direct_property(vm.names.length, JS::Value(0), JS::Attribute::Configurable);
 }
 
diff --git a/Userland/Libraries/LibWeb/Bindings/LocationConstructor.cpp b/Userland/Libraries/LibWeb/Bindings/LocationConstructor.cpp
index d625e19dceb..d7f8dbc37bd 100644
--- a/Userland/Libraries/LibWeb/Bindings/LocationConstructor.cpp
+++ b/Userland/Libraries/LibWeb/Bindings/LocationConstructor.cpp
@@ -34,7 +34,7 @@ void LocationConstructor::initialize(JS::Realm& realm)
     auto& window = verify_cast<HTML::Window>(realm.global_object());
 
     NativeFunction::initialize(realm);
-    define_direct_property(vm.names.prototype, &window.ensure_web_prototype<LocationPrototype>("Location"), 0);
+    define_direct_property(vm.names.prototype, &window.cached_web_prototype("Location"), 0);
     define_direct_property(vm.names.length, JS::Value(0), JS::Attribute::Configurable);
 }
 
diff --git a/Userland/Libraries/LibWeb/Bindings/LocationObject.cpp b/Userland/Libraries/LibWeb/Bindings/LocationObject.cpp
index f6e27a511a6..a1091c9102e 100644
--- a/Userland/Libraries/LibWeb/Bindings/LocationObject.cpp
+++ b/Userland/Libraries/LibWeb/Bindings/LocationObject.cpp
@@ -23,7 +23,7 @@ namespace Web::Bindings {
 
 // https://html.spec.whatwg.org/multipage/history.html#the-location-interface
 LocationObject::LocationObject(JS::Realm& realm)
-    : Object(verify_cast<HTML::Window>(realm.global_object()).ensure_web_prototype<LocationPrototype>("Location"))
+    : Object(verify_cast<HTML::Window>(realm.global_object()).cached_web_prototype("Location"))
     , m_default_properties(heap())
 {
 }
diff --git a/Userland/Libraries/LibWeb/Bindings/NavigatorConstructor.cpp b/Userland/Libraries/LibWeb/Bindings/NavigatorConstructor.cpp
index 9448536055b..262303051e0 100644
--- a/Userland/Libraries/LibWeb/Bindings/NavigatorConstructor.cpp
+++ b/Userland/Libraries/LibWeb/Bindings/NavigatorConstructor.cpp
@@ -34,7 +34,7 @@ void NavigatorConstructor::initialize(JS::Realm& realm)
     auto& window = verify_cast<HTML::Window>(realm.global_object());
 
     NativeFunction::initialize(realm);
-    define_direct_property(vm.names.prototype, &window.ensure_web_prototype<NavigatorPrototype>("Navigator"), 0);
+    define_direct_property(vm.names.prototype, &window.cached_web_prototype("Navigator"), 0);
     define_direct_property(vm.names.length, JS::Value(0), JS::Attribute::Configurable);
 }
 
diff --git a/Userland/Libraries/LibWeb/Bindings/NavigatorObject.cpp b/Userland/Libraries/LibWeb/Bindings/NavigatorObject.cpp
index 8db25da83f0..a85e72ddd45 100644
--- a/Userland/Libraries/LibWeb/Bindings/NavigatorObject.cpp
+++ b/Userland/Libraries/LibWeb/Bindings/NavigatorObject.cpp
@@ -14,7 +14,7 @@ namespace Web {
 namespace Bindings {
 
 NavigatorObject::NavigatorObject(JS::Realm& realm)
-    : Object(verify_cast<HTML::Window>(realm.global_object()).ensure_web_prototype<NavigatorPrototype>("Navigator"))
+    : Object(verify_cast<HTML::Window>(realm.global_object()).cached_web_prototype("Navigator"))
 {
 }
 
diff --git a/Userland/Libraries/LibWeb/Bindings/OptionConstructor.cpp b/Userland/Libraries/LibWeb/Bindings/OptionConstructor.cpp
index 8c0a9984c29..c320213326f 100644
--- a/Userland/Libraries/LibWeb/Bindings/OptionConstructor.cpp
+++ b/Userland/Libraries/LibWeb/Bindings/OptionConstructor.cpp
@@ -26,7 +26,7 @@ void OptionConstructor::initialize(JS::Realm& realm)
     auto& window = verify_cast<HTML::Window>(realm.global_object());
     NativeFunction::initialize(realm);
 
-    define_direct_property(vm.names.prototype, &window.ensure_web_prototype<HTMLOptionElementPrototype>("HTMLOptionElement"), 0);
+    define_direct_property(vm.names.prototype, &window.cached_web_prototype("HTMLOptionElement"), 0);
     define_direct_property(vm.names.length, JS::Value(0), JS::Attribute::Configurable);
 }
 
diff --git a/Userland/Libraries/LibWeb/Bindings/WindowConstructor.cpp b/Userland/Libraries/LibWeb/Bindings/WindowConstructor.cpp
index 909bd5e93b9..de00ee8b3ea 100644
--- a/Userland/Libraries/LibWeb/Bindings/WindowConstructor.cpp
+++ b/Userland/Libraries/LibWeb/Bindings/WindowConstructor.cpp
@@ -34,7 +34,7 @@ void WindowConstructor::initialize(JS::Realm& realm)
     auto& window = verify_cast<HTML::Window>(realm.global_object());
 
     NativeFunction::initialize(realm);
-    define_direct_property(vm.names.prototype, &window.ensure_web_prototype<WindowPrototype>("Window"), 0);
+    define_direct_property(vm.names.prototype, &window.cached_web_prototype("Window"), 0);
     define_direct_property(vm.names.length, JS::Value(0), JS::Attribute::Configurable);
 }
 
diff --git a/Userland/Libraries/LibWeb/Bindings/WindowObjectHelper.h b/Userland/Libraries/LibWeb/Bindings/WindowObjectHelper.h
index 9201551da79..36fc5208a9a 100644
--- a/Userland/Libraries/LibWeb/Bindings/WindowObjectHelper.h
+++ b/Userland/Libraries/LibWeb/Bindings/WindowObjectHelper.h
@@ -388,10 +388,10 @@
 
 #define ADD_WINDOW_OBJECT_CONSTRUCTOR_AND_PROTOTYPE(interface_name, constructor_name, prototype_name)                                \
     {                                                                                                                                \
-        auto& constructor = ensure_web_constructor<Bindings::constructor_name>(#interface_name);                                     \
-        constructor.define_direct_property(vm.names.name, js_string(vm, #interface_name), JS::Attribute::Configurable);              \
         auto& prototype = ensure_web_prototype<Bindings::prototype_name>(#interface_name);                                           \
+        auto& constructor = ensure_web_constructor<Bindings::constructor_name>(#interface_name);                                     \
         prototype.define_direct_property(vm.names.constructor, &constructor, JS::Attribute::Writable | JS::Attribute::Configurable); \
+        constructor.define_direct_property(vm.names.name, js_string(vm, #interface_name), JS::Attribute::Configurable);              \
     }
 
 #define ADD_WINDOW_OBJECT_INTERFACE(interface_name) \
diff --git a/Userland/Libraries/LibWeb/Bindings/WindowPrototype.h b/Userland/Libraries/LibWeb/Bindings/WindowPrototype.h
index 8f16471bc4e..013ded9522d 100644
--- a/Userland/Libraries/LibWeb/Bindings/WindowPrototype.h
+++ b/Userland/Libraries/LibWeb/Bindings/WindowPrototype.h
@@ -20,7 +20,7 @@ class WindowPrototype final : public JS::Object {
 
 public:
     explicit WindowPrototype(JS::Realm& realm)
-        : JS::Object(verify_cast<HTML::Window>(realm.global_object()).ensure_web_prototype<EventTargetPrototype>("EventTarget"))
+        : JS::Object(verify_cast<HTML::Window>(realm.global_object()).cached_web_prototype("EventTarget"))
     {
     }
 };
diff --git a/Userland/Libraries/LibWeb/CSS/CSSConditionRule.cpp b/Userland/Libraries/LibWeb/CSS/CSSConditionRule.cpp
index 9cb51a68acc..d4057e44126 100644
--- a/Userland/Libraries/LibWeb/CSS/CSSConditionRule.cpp
+++ b/Userland/Libraries/LibWeb/CSS/CSSConditionRule.cpp
@@ -5,7 +5,6 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
-#include <LibWeb/Bindings/CSSConditionRulePrototype.h>
 #include <LibWeb/CSS/CSSConditionRule.h>
 #include <LibWeb/HTML/Window.h>
 
@@ -14,7 +13,7 @@ namespace Web::CSS {
 CSSConditionRule::CSSConditionRule(HTML::Window& window_object, CSSRuleList& rules)
     : CSSGroupingRule(window_object, rules)
 {
-    set_prototype(&window_object.ensure_web_prototype<Bindings::CSSConditionRulePrototype>("CSSConditionRule"));
+    set_prototype(&window_object.cached_web_prototype("CSSConditionRule"));
 }
 
 void CSSConditionRule::for_each_effective_style_rule(Function<void(CSSStyleRule const&)> const& callback) const
diff --git a/Userland/Libraries/LibWeb/CSS/CSSFontFaceRule.cpp b/Userland/Libraries/LibWeb/CSS/CSSFontFaceRule.cpp
index 1d5d00aafa2..b4d1a982373 100644
--- a/Userland/Libraries/LibWeb/CSS/CSSFontFaceRule.cpp
+++ b/Userland/Libraries/LibWeb/CSS/CSSFontFaceRule.cpp
@@ -5,7 +5,6 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
-#include <LibWeb/Bindings/CSSFontFaceRulePrototype.h>
 #include <LibWeb/CSS/CSSFontFaceRule.h>
 #include <LibWeb/HTML/Window.h>
 
@@ -20,7 +19,7 @@ CSSFontFaceRule::CSSFontFaceRule(HTML::Window& window_object, FontFace&& font_fa
     : CSSRule(window_object)
     , m_font_face(move(font_face))
 {
-    set_prototype(&window_object.ensure_web_prototype<Bindings::CSSFontFaceRulePrototype>("CSSFontFaceRule"));
+    set_prototype(&window_object.cached_web_prototype("CSSFontFaceRule"));
 }
 
 CSSStyleDeclaration* CSSFontFaceRule::style()
diff --git a/Userland/Libraries/LibWeb/CSS/CSSGroupingRule.cpp b/Userland/Libraries/LibWeb/CSS/CSSGroupingRule.cpp
index 707eab39649..ef44d0fd03b 100644
--- a/Userland/Libraries/LibWeb/CSS/CSSGroupingRule.cpp
+++ b/Userland/Libraries/LibWeb/CSS/CSSGroupingRule.cpp
@@ -5,7 +5,6 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
-#include <LibWeb/Bindings/CSSGroupingRulePrototype.h>
 #include <LibWeb/Bindings/MainThreadVM.h>
 #include <LibWeb/CSS/CSSGroupingRule.h>
 #include <LibWeb/CSS/CSSRuleList.h>
@@ -17,7 +16,7 @@ CSSGroupingRule::CSSGroupingRule(HTML::Window& window_object, CSSRuleList& rules
     : CSSRule(window_object)
     , m_rules(rules)
 {
-    set_prototype(&window_object.ensure_web_prototype<Bindings::CSSGroupingRulePrototype>("CSSGroupingRule"));
+    set_prototype(&window_object.cached_web_prototype("CSSGroupingRule"));
     for (auto& rule : m_rules)
         rule.set_parent_rule(this);
 }
diff --git a/Userland/Libraries/LibWeb/CSS/CSSImportRule.cpp b/Userland/Libraries/LibWeb/CSS/CSSImportRule.cpp
index 378878253c8..46d38d6acf7 100644
--- a/Userland/Libraries/LibWeb/CSS/CSSImportRule.cpp
+++ b/Userland/Libraries/LibWeb/CSS/CSSImportRule.cpp
@@ -8,7 +8,6 @@
 
 #include <AK/Debug.h>
 #include <AK/URL.h>
-#include <LibWeb/Bindings/CSSImportRulePrototype.h>
 #include <LibWeb/CSS/CSSImportRule.h>
 #include <LibWeb/CSS/Parser/Parser.h>
 #include <LibWeb/DOM/Document.h>
@@ -28,7 +27,7 @@ CSSImportRule::CSSImportRule(AK::URL url, DOM::Document& document)
     , m_url(move(url))
     , m_document(document)
 {
-    set_prototype(&document.window().ensure_web_prototype<Bindings::CSSImportRulePrototype>("CSSImportRule"));
+    set_prototype(&document.window().cached_web_prototype("CSSImportRule"));
 
     dbgln_if(CSS_LOADER_DEBUG, "CSSImportRule: Loading import URL: {}", m_url);
     auto request = LoadRequest::create_for_url_on_page(m_url, document.page());
diff --git a/Userland/Libraries/LibWeb/CSS/CSSMediaRule.cpp b/Userland/Libraries/LibWeb/CSS/CSSMediaRule.cpp
index cb72a58e366..af48b8d6dd9 100644
--- a/Userland/Libraries/LibWeb/CSS/CSSMediaRule.cpp
+++ b/Userland/Libraries/LibWeb/CSS/CSSMediaRule.cpp
@@ -5,7 +5,6 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
-#include <LibWeb/Bindings/CSSMediaRulePrototype.h>
 #include <LibWeb/CSS/CSSMediaRule.h>
 #include <LibWeb/HTML/Window.h>
 
@@ -20,7 +19,7 @@ CSSMediaRule::CSSMediaRule(HTML::Window& window_object, MediaList& media, CSSRul
     : CSSConditionRule(window_object, rules)
     , m_media(media)
 {
-    set_prototype(&window_object.ensure_web_prototype<Bindings::CSSMediaRulePrototype>("CSSMediaRule"));
+    set_prototype(&window_object.cached_web_prototype("CSSMediaRule"));
 }
 
 void CSSMediaRule::visit_edges(Cell::Visitor& visitor)
diff --git a/Userland/Libraries/LibWeb/CSS/CSSRule.cpp b/Userland/Libraries/LibWeb/CSS/CSSRule.cpp
index ab1e30dafbd..f04ad9033c3 100644
--- a/Userland/Libraries/LibWeb/CSS/CSSRule.cpp
+++ b/Userland/Libraries/LibWeb/CSS/CSSRule.cpp
@@ -6,7 +6,6 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
-#include <LibWeb/Bindings/CSSRulePrototype.h>
 #include <LibWeb/CSS/CSSRule.h>
 #include <LibWeb/CSS/CSSStyleSheet.h>
 #include <LibWeb/HTML/Window.h>
@@ -14,7 +13,7 @@
 namespace Web::CSS {
 
 CSSRule::CSSRule(HTML::Window& window_object)
-    : PlatformObject(window_object.ensure_web_prototype<Bindings::CSSRulePrototype>("CSSRule"))
+    : PlatformObject(window_object.cached_web_prototype("CSSRule"))
 {
 }
 
diff --git a/Userland/Libraries/LibWeb/CSS/CSSRuleList.cpp b/Userland/Libraries/LibWeb/CSS/CSSRuleList.cpp
index 674383f4039..b3fdde9a8d7 100644
--- a/Userland/Libraries/LibWeb/CSS/CSSRuleList.cpp
+++ b/Userland/Libraries/LibWeb/CSS/CSSRuleList.cpp
@@ -5,7 +5,6 @@
  */
 
 #include <AK/TypeCasts.h>
-#include <LibWeb/Bindings/CSSRuleListPrototype.h>
 #include <LibWeb/CSS/CSSImportRule.h>
 #include <LibWeb/CSS/CSSMediaRule.h>
 #include <LibWeb/CSS/CSSRule.h>
@@ -25,7 +24,7 @@ CSSRuleList* CSSRuleList::create(HTML::Window& window_object, JS::MarkedVector<C
 }
 
 CSSRuleList::CSSRuleList(HTML::Window& window_object)
-    : Bindings::LegacyPlatformObject(window_object.ensure_web_prototype<Bindings::CSSRuleListPrototype>("CSSRuleList"))
+    : Bindings::LegacyPlatformObject(window_object.cached_web_prototype("CSSRuleList"))
 {
 }
 
diff --git a/Userland/Libraries/LibWeb/CSS/CSSStyleDeclaration.cpp b/Userland/Libraries/LibWeb/CSS/CSSStyleDeclaration.cpp
index 1cb49c536a3..2d3671f5c80 100644
--- a/Userland/Libraries/LibWeb/CSS/CSSStyleDeclaration.cpp
+++ b/Userland/Libraries/LibWeb/CSS/CSSStyleDeclaration.cpp
@@ -4,7 +4,6 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
-#include <LibWeb/Bindings/CSSStyleDeclarationPrototype.h>
 #include <LibWeb/CSS/CSSStyleDeclaration.h>
 #include <LibWeb/CSS/Parser/Parser.h>
 #include <LibWeb/DOM/Document.h>
@@ -14,7 +13,7 @@
 namespace Web::CSS {
 
 CSSStyleDeclaration::CSSStyleDeclaration(HTML::Window& window_object)
-    : PlatformObject(window_object.ensure_web_prototype<Bindings::CSSStyleDeclarationPrototype>("CSSStyleDeclaration"))
+    : PlatformObject(window_object.cached_web_prototype("CSSStyleDeclaration"))
 {
 }
 
diff --git a/Userland/Libraries/LibWeb/CSS/CSSStyleRule.cpp b/Userland/Libraries/LibWeb/CSS/CSSStyleRule.cpp
index 15bb1463e17..1ae7cb30604 100644
--- a/Userland/Libraries/LibWeb/CSS/CSSStyleRule.cpp
+++ b/Userland/Libraries/LibWeb/CSS/CSSStyleRule.cpp
@@ -4,7 +4,6 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
-#include <LibWeb/Bindings/CSSStyleRulePrototype.h>
 #include <LibWeb/CSS/CSSStyleRule.h>
 #include <LibWeb/CSS/Parser/Parser.h>
 #include <LibWeb/HTML/Window.h>
@@ -21,7 +20,7 @@ CSSStyleRule::CSSStyleRule(HTML::Window& window_object, NonnullRefPtrVector<Sele
     , m_selectors(move(selectors))
     , m_declaration(declaration)
 {
-    set_prototype(&window_object.ensure_web_prototype<Bindings::CSSStyleRulePrototype>("CSSStyleRule"));
+    set_prototype(&window_object.cached_web_prototype("CSSStyleRule"));
 }
 
 void CSSStyleRule::visit_edges(Cell::Visitor& visitor)
diff --git a/Userland/Libraries/LibWeb/CSS/CSSStyleSheet.cpp b/Userland/Libraries/LibWeb/CSS/CSSStyleSheet.cpp
index 5d210155f7e..50e87ea2c11 100644
--- a/Userland/Libraries/LibWeb/CSS/CSSStyleSheet.cpp
+++ b/Userland/Libraries/LibWeb/CSS/CSSStyleSheet.cpp
@@ -4,7 +4,6 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
-#include <LibWeb/Bindings/CSSStyleSheetPrototype.h>
 #include <LibWeb/CSS/CSSStyleSheet.h>
 #include <LibWeb/CSS/Parser/Parser.h>
 #include <LibWeb/CSS/StyleSheetList.h>
@@ -22,7 +21,7 @@ CSSStyleSheet::CSSStyleSheet(HTML::Window& window_object, CSSRuleList& rules, Op
     : StyleSheet(window_object)
     , m_rules(&rules)
 {
-    set_prototype(&window_object.ensure_web_prototype<Bindings::CSSStyleSheetPrototype>("CSSStyleSheet"));
+    set_prototype(&window_object.cached_web_prototype("CSSStyleSheet"));
 
     if (location.has_value())
         set_location(location->to_string());
diff --git a/Userland/Libraries/LibWeb/CSS/CSSSupportsRule.cpp b/Userland/Libraries/LibWeb/CSS/CSSSupportsRule.cpp
index 860f142115c..15140c9c108 100644
--- a/Userland/Libraries/LibWeb/CSS/CSSSupportsRule.cpp
+++ b/Userland/Libraries/LibWeb/CSS/CSSSupportsRule.cpp
@@ -4,7 +4,6 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
-#include <LibWeb/Bindings/CSSSupportsRulePrototype.h>
 #include <LibWeb/CSS/CSSSupportsRule.h>
 #include <LibWeb/CSS/Parser/Parser.h>
 #include <LibWeb/HTML/Window.h>
@@ -20,7 +19,7 @@ CSSSupportsRule::CSSSupportsRule(HTML::Window& window_object, NonnullRefPtr<Supp
     : CSSConditionRule(window_object, rules)
     , m_supports(move(supports))
 {
-    set_prototype(&window_object.ensure_web_prototype<Bindings::CSSSupportsRulePrototype>("CSSSupportsRule"));
+    set_prototype(&window_object.cached_web_prototype("CSSSupportsRule"));
 }
 
 String CSSSupportsRule::condition_text() const
diff --git a/Userland/Libraries/LibWeb/CSS/MediaList.cpp b/Userland/Libraries/LibWeb/CSS/MediaList.cpp
index 7003b702b3e..224d2711e66 100644
--- a/Userland/Libraries/LibWeb/CSS/MediaList.cpp
+++ b/Userland/Libraries/LibWeb/CSS/MediaList.cpp
@@ -5,7 +5,6 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
-#include <LibWeb/Bindings/MediaListPrototype.h>
 #include <LibWeb/CSS/MediaList.h>
 #include <LibWeb/CSS/Parser/Parser.h>
 #include <LibWeb/HTML/Window.h>
@@ -18,7 +17,7 @@ MediaList* MediaList::create(HTML::Window& window_object, NonnullRefPtrVector<Me
 }
 
 MediaList::MediaList(HTML::Window& window_object, NonnullRefPtrVector<MediaQuery>&& media)
-    : Bindings::LegacyPlatformObject(window_object.ensure_web_prototype<Bindings::MediaListPrototype>("MediaList"))
+    : Bindings::LegacyPlatformObject(window_object.cached_web_prototype("MediaList"))
     , m_media(move(media))
 {
 }
diff --git a/Userland/Libraries/LibWeb/CSS/MediaQueryList.cpp b/Userland/Libraries/LibWeb/CSS/MediaQueryList.cpp
index bbcf17a2646..554797f2600 100644
--- a/Userland/Libraries/LibWeb/CSS/MediaQueryList.cpp
+++ b/Userland/Libraries/LibWeb/CSS/MediaQueryList.cpp
@@ -5,7 +5,6 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
-#include <LibWeb/Bindings/MediaQueryListPrototype.h>
 #include <LibWeb/CSS/MediaQueryList.h>
 #include <LibWeb/DOM/Document.h>
 #include <LibWeb/DOM/EventDispatcher.h>
@@ -24,7 +23,7 @@ MediaQueryList::MediaQueryList(DOM::Document& document, NonnullRefPtrVector<Medi
     , m_document(document)
     , m_media(move(media))
 {
-    set_prototype(&document.window().ensure_web_prototype<Bindings::MediaQueryListPrototype>("MediaQueryList"));
+    set_prototype(&document.window().cached_web_prototype("MediaQueryList"));
     evaluate();
 }
 
diff --git a/Userland/Libraries/LibWeb/CSS/MediaQueryListEvent.cpp b/Userland/Libraries/LibWeb/CSS/MediaQueryListEvent.cpp
index 6bd7b37606f..4fedb431394 100644
--- a/Userland/Libraries/LibWeb/CSS/MediaQueryListEvent.cpp
+++ b/Userland/Libraries/LibWeb/CSS/MediaQueryListEvent.cpp
@@ -25,7 +25,7 @@ MediaQueryListEvent::MediaQueryListEvent(HTML::Window& window_object, FlyString
     , m_media(event_init.media)
     , m_matches(event_init.matches)
 {
-    set_prototype(&window_object.ensure_web_prototype<Bindings::MediaQueryListEventPrototype>("MediaQueryListEvent"));
+    set_prototype(&window_object.cached_web_prototype("MediaQueryListEvent"));
 }
 
 MediaQueryListEvent::~MediaQueryListEvent() = default;
diff --git a/Userland/Libraries/LibWeb/CSS/StyleSheet.cpp b/Userland/Libraries/LibWeb/CSS/StyleSheet.cpp
index d628dd78894..82b5a6cc0aa 100644
--- a/Userland/Libraries/LibWeb/CSS/StyleSheet.cpp
+++ b/Userland/Libraries/LibWeb/CSS/StyleSheet.cpp
@@ -5,7 +5,6 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
-#include <LibWeb/Bindings/StyleSheetPrototype.h>
 #include <LibWeb/CSS/CSSStyleSheet.h>
 #include <LibWeb/CSS/StyleSheet.h>
 #include <LibWeb/DOM/Element.h>
@@ -14,7 +13,7 @@
 namespace Web::CSS {
 
 StyleSheet::StyleSheet(HTML::Window& window_object)
-    : PlatformObject(window_object.ensure_web_prototype<Bindings::StyleSheetPrototype>("StyleSheet"))
+    : PlatformObject(window_object.cached_web_prototype("StyleSheet"))
 {
 }
 
diff --git a/Userland/Libraries/LibWeb/CSS/StyleSheetList.cpp b/Userland/Libraries/LibWeb/CSS/StyleSheetList.cpp
index bcb3f470f9a..02639fe93c5 100644
--- a/Userland/Libraries/LibWeb/CSS/StyleSheetList.cpp
+++ b/Userland/Libraries/LibWeb/CSS/StyleSheetList.cpp
@@ -36,7 +36,7 @@ StyleSheetList* StyleSheetList::create(DOM::Document& document)
 }
 
 StyleSheetList::StyleSheetList(DOM::Document& document)
-    : Bindings::LegacyPlatformObject(document.window().ensure_web_prototype<Bindings::StyleSheetListPrototype>("StyleSheetList"))
+    : Bindings::LegacyPlatformObject(document.window().cached_web_prototype("StyleSheetList"))
     , m_document(document)
 {
 }
diff --git a/Userland/Libraries/LibWeb/DOM/AbortController.cpp b/Userland/Libraries/LibWeb/DOM/AbortController.cpp
index 602f05bcf7e..563bb528dda 100644
--- a/Userland/Libraries/LibWeb/DOM/AbortController.cpp
+++ b/Userland/Libraries/LibWeb/DOM/AbortController.cpp
@@ -4,7 +4,6 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
-#include <LibWeb/Bindings/AbortControllerPrototype.h>
 #include <LibWeb/DOM/AbortController.h>
 #include <LibWeb/DOM/AbortSignal.h>
 
@@ -21,7 +20,7 @@ AbortController::AbortController(HTML::Window& window, JS::NonnullGCPtr<AbortSig
     : PlatformObject(window.realm())
     , m_signal(move(signal))
 {
-    set_prototype(&window.ensure_web_prototype<Bindings::AbortControllerPrototype>("AbortController"));
+    set_prototype(&window.cached_web_prototype("AbortController"));
 }
 
 AbortController::~AbortController() = default;
diff --git a/Userland/Libraries/LibWeb/DOM/AbstractRange.cpp b/Userland/Libraries/LibWeb/DOM/AbstractRange.cpp
index 28e45ba65ea..24fa81674c9 100644
--- a/Userland/Libraries/LibWeb/DOM/AbstractRange.cpp
+++ b/Userland/Libraries/LibWeb/DOM/AbstractRange.cpp
@@ -4,7 +4,6 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
-#include <LibWeb/Bindings/AbstractRangePrototype.h>
 #include <LibWeb/DOM/AbstractRange.h>
 #include <LibWeb/DOM/Document.h>
 #include <LibWeb/HTML/Window.h>
@@ -12,7 +11,7 @@
 namespace Web::DOM {
 
 AbstractRange::AbstractRange(Node& start_container, u32 start_offset, Node& end_container, u32 end_offset)
-    : Bindings::PlatformObject(start_container.document().window().ensure_web_prototype<Bindings::AbstractRangePrototype>("AbstractRange"))
+    : Bindings::PlatformObject(start_container.document().window().cached_web_prototype("AbstractRange"))
     , m_start_container(start_container)
     , m_start_offset(start_offset)
     , m_end_container(end_container)
diff --git a/Userland/Libraries/LibWeb/DOM/Attribute.cpp b/Userland/Libraries/LibWeb/DOM/Attribute.cpp
index f6254ce2e7a..36e8c931777 100644
--- a/Userland/Libraries/LibWeb/DOM/Attribute.cpp
+++ b/Userland/Libraries/LibWeb/DOM/Attribute.cpp
@@ -4,7 +4,6 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
-#include <LibWeb/Bindings/AttributePrototype.h>
 #include <LibWeb/DOM/Attribute.h>
 #include <LibWeb/DOM/Document.h>
 #include <LibWeb/DOM/Element.h>
@@ -24,7 +23,7 @@ Attribute::Attribute(Document& document, FlyString local_name, String value, Ele
     , m_value(move(value))
     , m_owner_element(owner_element)
 {
-    set_prototype(&window().ensure_web_prototype<Bindings::AttributePrototype>("Attribute"));
+    set_prototype(&window().cached_web_prototype("Attribute"));
 }
 
 void Attribute::visit_edges(Cell::Visitor& visitor)
diff --git a/Userland/Libraries/LibWeb/DOM/CDATASection.cpp b/Userland/Libraries/LibWeb/DOM/CDATASection.cpp
index 5203875e96b..5c1937b2316 100644
--- a/Userland/Libraries/LibWeb/DOM/CDATASection.cpp
+++ b/Userland/Libraries/LibWeb/DOM/CDATASection.cpp
@@ -4,7 +4,6 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
-#include <LibWeb/Bindings/CDATASectionPrototype.h>
 #include <LibWeb/DOM/CDATASection.h>
 #include <LibWeb/HTML/Window.h>
 
@@ -13,7 +12,7 @@ namespace Web::DOM {
 CDATASection::CDATASection(Document& document, String const& data)
     : Text(document, NodeType::CDATA_SECTION_NODE, data)
 {
-    set_prototype(&window().ensure_web_prototype<Bindings::CDATASectionPrototype>("CDATASection"));
+    set_prototype(&window().cached_web_prototype("CDATASection"));
 }
 
 CDATASection::~CDATASection() = default;
diff --git a/Userland/Libraries/LibWeb/DOM/CustomEvent.cpp b/Userland/Libraries/LibWeb/DOM/CustomEvent.cpp
index 0cf777aa74f..e69229cefa2 100644
--- a/Userland/Libraries/LibWeb/DOM/CustomEvent.cpp
+++ b/Userland/Libraries/LibWeb/DOM/CustomEvent.cpp
@@ -5,7 +5,6 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
-#include <LibWeb/Bindings/CustomEventPrototype.h>
 #include <LibWeb/DOM/CustomEvent.h>
 #include <LibWeb/HTML/Window.h>
 
@@ -24,14 +23,14 @@ CustomEvent* CustomEvent::create_with_global_object(HTML::Window& window_object,
 CustomEvent::CustomEvent(HTML::Window& window_object, FlyString const& event_name)
     : Event(window_object, event_name)
 {
-    set_prototype(&window_object.ensure_web_prototype<Bindings::CustomEventPrototype>("CustomEvent"));
+    set_prototype(&window_object.cached_web_prototype("CustomEvent"));
 }
 
 CustomEvent::CustomEvent(HTML::Window& window_object, FlyString const& event_name, CustomEventInit const& event_init)
     : Event(window_object, event_name, event_init)
     , m_detail(event_init.detail)
 {
-    set_prototype(&window_object.ensure_web_prototype<Bindings::CustomEventPrototype>("CustomEvent"));
+    set_prototype(&window_object.cached_web_prototype("CustomEvent"));
 }
 
 CustomEvent::~CustomEvent() = default;
diff --git a/Userland/Libraries/LibWeb/DOM/DOMImplementation.cpp b/Userland/Libraries/LibWeb/DOM/DOMImplementation.cpp
index afe7045c959..1b0be32d48f 100644
--- a/Userland/Libraries/LibWeb/DOM/DOMImplementation.cpp
+++ b/Userland/Libraries/LibWeb/DOM/DOMImplementation.cpp
@@ -5,7 +5,6 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
-#include <LibWeb/Bindings/DOMImplementationPrototype.h>
 #include <LibWeb/Bindings/MainThreadVM.h>
 #include <LibWeb/DOM/DOMImplementation.h>
 #include <LibWeb/DOM/Document.h>
@@ -25,7 +24,7 @@ JS::NonnullGCPtr<DOMImplementation> DOMImplementation::create(Document& document
 }
 
 DOMImplementation::DOMImplementation(Document& document)
-    : PlatformObject(document.window().ensure_web_prototype<Bindings::DOMImplementationPrototype>("DOMImplementation"))
+    : PlatformObject(document.window().cached_web_prototype("DOMImplementation"))
     , m_document(document)
 {
 }
diff --git a/Userland/Libraries/LibWeb/DOM/DOMTokenList.cpp b/Userland/Libraries/LibWeb/DOM/DOMTokenList.cpp
index 439d9a36064..2934ead8ccb 100644
--- a/Userland/Libraries/LibWeb/DOM/DOMTokenList.cpp
+++ b/Userland/Libraries/LibWeb/DOM/DOMTokenList.cpp
@@ -7,7 +7,6 @@
 
 #include <AK/CharacterTypes.h>
 #include <AK/StringBuilder.h>
-#include <LibWeb/Bindings/DOMTokenListPrototype.h>
 #include <LibWeb/DOM/DOMException.h>
 #include <LibWeb/DOM/DOMTokenList.h>
 #include <LibWeb/DOM/Document.h>
@@ -62,7 +61,7 @@ DOMTokenList* DOMTokenList::create(Element const& associated_element, FlyString
 
 // https://dom.spec.whatwg.org/#ref-for-domtokenlist%E2%91%A0%E2%91%A2
 DOMTokenList::DOMTokenList(Element const& associated_element, FlyString associated_attribute)
-    : Bindings::LegacyPlatformObject(associated_element.document().window().ensure_web_prototype<Bindings::DOMTokenListPrototype>("DOMTokenList"))
+    : Bindings::LegacyPlatformObject(associated_element.window().cached_web_prototype("DOMTokenList"))
     , m_associated_element(associated_element)
     , m_associated_attribute(move(associated_attribute))
 {
diff --git a/Userland/Libraries/LibWeb/DOM/Document.cpp b/Userland/Libraries/LibWeb/DOM/Document.cpp
index a559232306f..46e978e0da3 100644
--- a/Userland/Libraries/LibWeb/DOM/Document.cpp
+++ b/Userland/Libraries/LibWeb/DOM/Document.cpp
@@ -14,7 +14,6 @@
 #include <LibJS/Interpreter.h>
 #include <LibJS/Parser.h>
 #include <LibJS/Runtime/FunctionObject.h>
-#include <LibWeb/Bindings/DocumentPrototype.h>
 #include <LibWeb/Bindings/MainThreadVM.h>
 #include <LibWeb/CSS/MediaQueryList.h>
 #include <LibWeb/CSS/MediaQueryListEvent.h>
@@ -283,7 +282,7 @@ Document::Document(HTML::Window& window, const AK::URL& url)
     , m_url(url)
     , m_window(window)
 {
-    set_prototype(&window.ensure_web_prototype<Bindings::DocumentPrototype>("Document"));
+    set_prototype(&window.cached_web_prototype("Document"));
 
     HTML::main_thread_event_loop().register_document({}, *this);
 
diff --git a/Userland/Libraries/LibWeb/DOM/DocumentFragment.cpp b/Userland/Libraries/LibWeb/DOM/DocumentFragment.cpp
index 58ceeb3f3c8..16d4a36daf0 100644
--- a/Userland/Libraries/LibWeb/DOM/DocumentFragment.cpp
+++ b/Userland/Libraries/LibWeb/DOM/DocumentFragment.cpp
@@ -4,7 +4,6 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
-#include <LibWeb/Bindings/DocumentFragmentPrototype.h>
 #include <LibWeb/DOM/DocumentFragment.h>
 #include <LibWeb/HTML/Window.h>
 
@@ -13,7 +12,7 @@ namespace Web::DOM {
 DocumentFragment::DocumentFragment(Document& document)
     : ParentNode(document, NodeType::DOCUMENT_FRAGMENT_NODE)
 {
-    set_prototype(&window().ensure_web_prototype<Bindings::DocumentFragmentPrototype>("DocumentFragment"));
+    set_prototype(&window().cached_web_prototype("DocumentFragment"));
 }
 
 void DocumentFragment::visit_edges(Cell::Visitor& visitor)
diff --git a/Userland/Libraries/LibWeb/DOM/DocumentType.cpp b/Userland/Libraries/LibWeb/DOM/DocumentType.cpp
index e3b34b5fd6e..f71da375dbe 100644
--- a/Userland/Libraries/LibWeb/DOM/DocumentType.cpp
+++ b/Userland/Libraries/LibWeb/DOM/DocumentType.cpp
@@ -4,7 +4,6 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
-#include <LibWeb/Bindings/DocumentTypePrototype.h>
 #include <LibWeb/DOM/Document.h>
 #include <LibWeb/DOM/DocumentType.h>
 
@@ -18,7 +17,7 @@ JS::NonnullGCPtr<DocumentType> DocumentType::create(Document& document)
 DocumentType::DocumentType(Document& document)
     : Node(document, NodeType::DOCUMENT_TYPE_NODE)
 {
-    set_prototype(&window().ensure_web_prototype<Bindings::DocumentTypePrototype>("DocumentType"));
+    set_prototype(&window().cached_web_prototype("DocumentType"));
 }
 
 }
diff --git a/Userland/Libraries/LibWeb/DOM/Element.cpp b/Userland/Libraries/LibWeb/DOM/Element.cpp
index 4826fc8d212..52a26c928a6 100644
--- a/Userland/Libraries/LibWeb/DOM/Element.cpp
+++ b/Userland/Libraries/LibWeb/DOM/Element.cpp
@@ -8,7 +8,6 @@
 #include <AK/CharacterTypes.h>
 #include <AK/Debug.h>
 #include <AK/StringBuilder.h>
-#include <LibWeb/Bindings/ElementPrototype.h>
 #include <LibWeb/CSS/Parser/Parser.h>
 #include <LibWeb/CSS/PropertyID.h>
 #include <LibWeb/CSS/ResolvedCSSStyleDeclaration.h>
@@ -48,8 +47,7 @@ Element::Element(Document& document, DOM::QualifiedName qualified_name)
     , m_qualified_name(move(qualified_name))
     , m_attributes(NamedNodeMap::create(*this))
 {
-    set_prototype(&document.window().ensure_web_prototype<Bindings::ElementPrototype>("Element"));
-
+    set_prototype(&window().cached_web_prototype("Element"));
     make_html_uppercased_qualified_name();
 }
 
diff --git a/Userland/Libraries/LibWeb/DOM/Event.cpp b/Userland/Libraries/LibWeb/DOM/Event.cpp
index 024fa0104f6..9053ea5567e 100644
--- a/Userland/Libraries/LibWeb/DOM/Event.cpp
+++ b/Userland/Libraries/LibWeb/DOM/Event.cpp
@@ -7,7 +7,6 @@
  */
 
 #include <AK/TypeCasts.h>
-#include <LibWeb/Bindings/EventPrototype.h>
 #include <LibWeb/DOM/Event.h>
 #include <LibWeb/DOM/Node.h>
 #include <LibWeb/DOM/ShadowRoot.h>
@@ -25,15 +24,15 @@ JS::NonnullGCPtr<Event> Event::create_with_global_object(HTML::Window& window_ob
     return create(window_object, event_name, event_init);
 }
 
-Event::Event(HTML::Window& window_object, FlyString const& type)
-    : PlatformObject(window_object.ensure_web_prototype<Bindings::EventPrototype>("Event"))
+Event::Event(HTML::Window& window, FlyString const& type)
+    : PlatformObject(window.cached_web_prototype("Event"))
     , m_type(type)
     , m_initialized(true)
 {
 }
 
-Event::Event(HTML::Window& window_object, FlyString const& type, EventInit const& event_init)
-    : PlatformObject(window_object.ensure_web_prototype<Bindings::EventPrototype>("Event"))
+Event::Event(HTML::Window& window, FlyString const& type, EventInit const& event_init)
+    : PlatformObject(window.cached_web_prototype("Event"))
     , m_type(type)
     , m_bubbles(event_init.bubbles)
     , m_cancelable(event_init.cancelable)
diff --git a/Userland/Libraries/LibWeb/DOM/HTMLCollection.cpp b/Userland/Libraries/LibWeb/DOM/HTMLCollection.cpp
index d4977dab8c5..f5b807aae29 100644
--- a/Userland/Libraries/LibWeb/DOM/HTMLCollection.cpp
+++ b/Userland/Libraries/LibWeb/DOM/HTMLCollection.cpp
@@ -5,7 +5,6 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
-#include <LibWeb/Bindings/HTMLCollectionPrototype.h>
 #include <LibWeb/DOM/Element.h>
 #include <LibWeb/DOM/HTMLCollection.h>
 #include <LibWeb/DOM/ParentNode.h>
@@ -20,7 +19,7 @@ JS::NonnullGCPtr<HTMLCollection> HTMLCollection::create(ParentNode& root, Functi
 }
 
 HTMLCollection::HTMLCollection(ParentNode& root, Function<bool(Element const&)> filter)
-    : LegacyPlatformObject(root.window().ensure_web_prototype<Bindings::HTMLCollectionPrototype>("HTMLCollection"))
+    : LegacyPlatformObject(root.window().cached_web_prototype("HTMLCollection"))
     , m_root(root)
     , m_filter(move(filter))
 {
diff --git a/Userland/Libraries/LibWeb/DOM/MutationObserver.cpp b/Userland/Libraries/LibWeb/DOM/MutationObserver.cpp
index 74533d32485..8a36188828c 100644
--- a/Userland/Libraries/LibWeb/DOM/MutationObserver.cpp
+++ b/Userland/Libraries/LibWeb/DOM/MutationObserver.cpp
@@ -5,7 +5,6 @@
  */
 
 #include <LibWeb/Bindings/MainThreadVM.h>
-#include <LibWeb/Bindings/MutationObserverPrototype.h>
 #include <LibWeb/DOM/MutationObserver.h>
 #include <LibWeb/DOM/Node.h>
 #include <LibWeb/HTML/Window.h>
@@ -22,7 +21,7 @@ MutationObserver::MutationObserver(HTML::Window& window, JS::GCPtr<Bindings::Cal
     : PlatformObject(window.realm())
     , m_callback(move(callback))
 {
-    set_prototype(&window.ensure_web_prototype<Bindings::MutationObserverPrototype>("MutationObserver"));
+    set_prototype(&window.cached_web_prototype("MutationObserver"));
 
     // 1. Set this’s callback to callback.
 
diff --git a/Userland/Libraries/LibWeb/DOM/MutationRecord.cpp b/Userland/Libraries/LibWeb/DOM/MutationRecord.cpp
index bb66e5e5ea1..3eee96fa9ff 100644
--- a/Userland/Libraries/LibWeb/DOM/MutationRecord.cpp
+++ b/Userland/Libraries/LibWeb/DOM/MutationRecord.cpp
@@ -5,7 +5,6 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
-#include <LibWeb/Bindings/MutationRecordPrototype.h>
 #include <LibWeb/DOM/MutationRecord.h>
 #include <LibWeb/DOM/Node.h>
 #include <LibWeb/DOM/NodeList.h>
@@ -30,7 +29,7 @@ MutationRecord::MutationRecord(HTML::Window& window, FlyString const& type, Node
     , m_attribute_namespace(attribute_namespace)
     , m_old_value(old_value)
 {
-    set_prototype(&window.ensure_web_prototype<Bindings::MutationRecordPrototype>("MutationRecord"));
+    set_prototype(&window.cached_web_prototype("MutationRecord"));
 }
 
 MutationRecord::~MutationRecord() = default;
diff --git a/Userland/Libraries/LibWeb/DOM/NamedNodeMap.cpp b/Userland/Libraries/LibWeb/DOM/NamedNodeMap.cpp
index 3a80acc7489..fddcf1906eb 100644
--- a/Userland/Libraries/LibWeb/DOM/NamedNodeMap.cpp
+++ b/Userland/Libraries/LibWeb/DOM/NamedNodeMap.cpp
@@ -5,7 +5,6 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
-#include <LibWeb/Bindings/NamedNodeMapPrototype.h>
 #include <LibWeb/DOM/Attribute.h>
 #include <LibWeb/DOM/Document.h>
 #include <LibWeb/DOM/NamedNodeMap.h>
@@ -20,7 +19,7 @@ JS::NonnullGCPtr<NamedNodeMap> NamedNodeMap::create(Element& element)
 }
 
 NamedNodeMap::NamedNodeMap(Element& element)
-    : Bindings::LegacyPlatformObject(element.document().window().ensure_web_prototype<Bindings::NamedNodeMapPrototype>("NamedNodeMap"))
+    : Bindings::LegacyPlatformObject(element.window().cached_web_prototype("NamedNodeMap"))
     , m_element(element)
 {
 }
diff --git a/Userland/Libraries/LibWeb/DOM/NodeIterator.cpp b/Userland/Libraries/LibWeb/DOM/NodeIterator.cpp
index f57e7777dbc..923f66be679 100644
--- a/Userland/Libraries/LibWeb/DOM/NodeIterator.cpp
+++ b/Userland/Libraries/LibWeb/DOM/NodeIterator.cpp
@@ -6,7 +6,6 @@
 
 #include <LibWeb/Bindings/DOMExceptionWrapper.h>
 #include <LibWeb/Bindings/IDLAbstractOperations.h>
-#include <LibWeb/Bindings/NodeIteratorPrototype.h>
 #include <LibWeb/DOM/Document.h>
 #include <LibWeb/DOM/Node.h>
 #include <LibWeb/DOM/NodeIterator.h>
@@ -14,7 +13,7 @@
 namespace Web::DOM {
 
 NodeIterator::NodeIterator(Node& root)
-    : PlatformObject(root.document().window().ensure_web_prototype<Bindings::NodeIteratorPrototype>("NodeIterator"))
+    : PlatformObject(root.window().cached_web_prototype("NodeIterator"))
     , m_root(root)
     , m_reference({ root })
 {
diff --git a/Userland/Libraries/LibWeb/DOM/NodeList.cpp b/Userland/Libraries/LibWeb/DOM/NodeList.cpp
index 4bd7eb86f00..f70b3890cf9 100644
--- a/Userland/Libraries/LibWeb/DOM/NodeList.cpp
+++ b/Userland/Libraries/LibWeb/DOM/NodeList.cpp
@@ -4,7 +4,6 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
-#include <LibWeb/Bindings/NodeListPrototype.h>
 #include <LibWeb/DOM/Node.h>
 #include <LibWeb/DOM/NodeList.h>
 #include <LibWeb/HTML/Window.h>
@@ -12,7 +11,7 @@
 namespace Web::DOM {
 
 NodeList::NodeList(HTML::Window& window)
-    : LegacyPlatformObject(window.ensure_web_prototype<Bindings::NodeListPrototype>("NodeList"))
+    : LegacyPlatformObject(window.cached_web_prototype("NodeList"))
 {
 }
 
diff --git a/Userland/Libraries/LibWeb/DOM/Range.cpp b/Userland/Libraries/LibWeb/DOM/Range.cpp
index d362577c365..cfe2709016f 100644
--- a/Userland/Libraries/LibWeb/DOM/Range.cpp
+++ b/Userland/Libraries/LibWeb/DOM/Range.cpp
@@ -6,7 +6,6 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
-#include <LibWeb/Bindings/RangePrototype.h>
 #include <LibWeb/DOM/Comment.h>
 #include <LibWeb/DOM/Document.h>
 #include <LibWeb/DOM/DocumentFragment.h>
@@ -50,13 +49,13 @@ JS::NonnullGCPtr<Range> Range::create_with_global_object(HTML::Window& window)
 Range::Range(Document& document)
     : Range(document, 0, document, 0)
 {
-    set_prototype(&document.window().ensure_web_prototype<Bindings::RangePrototype>("Range"));
+    set_prototype(&document.window().cached_web_prototype("Range"));
 }
 
 Range::Range(Node& start_container, u32 start_offset, Node& end_container, u32 end_offset)
     : AbstractRange(start_container, start_offset, end_container, end_offset)
 {
-    set_prototype(&start_container.document().window().ensure_web_prototype<Bindings::RangePrototype>("Range"));
+    set_prototype(&start_container.window().cached_web_prototype("Range"));
     live_ranges().set(this);
 }
 
diff --git a/Userland/Libraries/LibWeb/DOM/StaticRange.cpp b/Userland/Libraries/LibWeb/DOM/StaticRange.cpp
index 8d825110eea..3396d1aeb3c 100644
--- a/Userland/Libraries/LibWeb/DOM/StaticRange.cpp
+++ b/Userland/Libraries/LibWeb/DOM/StaticRange.cpp
@@ -6,7 +6,6 @@
  */
 
 #include <AK/TypeCasts.h>
-#include <LibWeb/Bindings/StaticRangePrototype.h>
 #include <LibWeb/DOM/Attribute.h>
 #include <LibWeb/DOM/Document.h>
 #include <LibWeb/DOM/DocumentType.h>
@@ -18,7 +17,7 @@ namespace Web::DOM {
 StaticRange::StaticRange(Node& start_container, u32 start_offset, Node& end_container, u32 end_offset)
     : AbstractRange(start_container, start_offset, end_container, end_offset)
 {
-    set_prototype(&start_container.document().window().ensure_web_prototype<Bindings::StaticRangePrototype>("StaticRange"));
+    set_prototype(&start_container.document().window().cached_web_prototype("StaticRange"));
 }
 
 StaticRange::~StaticRange() = default;
diff --git a/Userland/Libraries/LibWeb/DOM/Text.cpp b/Userland/Libraries/LibWeb/DOM/Text.cpp
index 0b8262cd264..c6a4d0ad66d 100644
--- a/Userland/Libraries/LibWeb/DOM/Text.cpp
+++ b/Userland/Libraries/LibWeb/DOM/Text.cpp
@@ -4,7 +4,6 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
-#include <LibWeb/Bindings/TextPrototype.h>
 #include <LibWeb/DOM/Range.h>
 #include <LibWeb/DOM/Text.h>
 #include <LibWeb/HTML/HTMLInputElement.h>
@@ -16,13 +15,13 @@ namespace Web::DOM {
 Text::Text(Document& document, String const& data)
     : CharacterData(document, NodeType::TEXT_NODE, data)
 {
-    set_prototype(&window().ensure_web_prototype<Bindings::TextPrototype>("Text"));
+    set_prototype(&window().cached_web_prototype("Text"));
 }
 
 Text::Text(Document& document, NodeType type, String const& data)
     : CharacterData(document, type, data)
 {
-    set_prototype(&window().ensure_web_prototype<Bindings::TextPrototype>("Text"));
+    set_prototype(&window().cached_web_prototype("Text"));
 }
 
 void Text::visit_edges(Cell::Visitor& visitor)
diff --git a/Userland/Libraries/LibWeb/DOM/TreeWalker.cpp b/Userland/Libraries/LibWeb/DOM/TreeWalker.cpp
index 7021233b114..c07b2ba6662 100644
--- a/Userland/Libraries/LibWeb/DOM/TreeWalker.cpp
+++ b/Userland/Libraries/LibWeb/DOM/TreeWalker.cpp
@@ -6,7 +6,6 @@
 
 #include <LibWeb/Bindings/DOMExceptionWrapper.h>
 #include <LibWeb/Bindings/IDLAbstractOperations.h>
-#include <LibWeb/Bindings/TreeWalkerPrototype.h>
 #include <LibWeb/Bindings/Wrapper.h>
 #include <LibWeb/DOM/DOMException.h>
 #include <LibWeb/DOM/Document.h>
@@ -17,7 +16,7 @@
 namespace Web::DOM {
 
 TreeWalker::TreeWalker(Node& root)
-    : PlatformObject(root.document().window().ensure_web_prototype<Bindings::TreeWalkerPrototype>("TreeWalker"))
+    : PlatformObject(root.window().cached_web_prototype("TreeWalker"))
     , m_root(root)
     , m_current(root)
 {
diff --git a/Userland/Libraries/LibWeb/DOMParsing/XMLSerializer.cpp b/Userland/Libraries/LibWeb/DOMParsing/XMLSerializer.cpp
index 948b6ad6001..6a7f99121d5 100644
--- a/Userland/Libraries/LibWeb/DOMParsing/XMLSerializer.cpp
+++ b/Userland/Libraries/LibWeb/DOMParsing/XMLSerializer.cpp
@@ -4,7 +4,6 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
-#include <LibWeb/Bindings/XMLSerializerPrototype.h>
 #include <LibWeb/DOM/CDATASection.h>
 #include <LibWeb/DOM/Comment.h>
 #include <LibWeb/DOM/Document.h>
@@ -29,7 +28,7 @@ JS::NonnullGCPtr<XMLSerializer> XMLSerializer::create_with_global_object(HTML::W
 XMLSerializer::XMLSerializer(HTML::Window& window)
     : PlatformObject(window.realm())
 {
-    set_prototype(&window.ensure_web_prototype<Bindings::XMLSerializerPrototype>("XMLSerializer"));
+    set_prototype(&window.cached_web_prototype("XMLSerializer"));
 }
 
 XMLSerializer::~XMLSerializer() = default;
diff --git a/Userland/Libraries/LibWeb/HTML/CanvasGradient.cpp b/Userland/Libraries/LibWeb/HTML/CanvasGradient.cpp
index ffe65f2924c..56e0971d4ec 100644
--- a/Userland/Libraries/LibWeb/HTML/CanvasGradient.cpp
+++ b/Userland/Libraries/LibWeb/HTML/CanvasGradient.cpp
@@ -5,7 +5,6 @@
  */
 
 #include <AK/QuickSort.h>
-#include <LibWeb/Bindings/CanvasGradientPrototype.h>
 #include <LibWeb/DOM/ExceptionOr.h>
 #include <LibWeb/HTML/CanvasGradient.h>
 #include <LibWeb/HTML/Window.h>
@@ -44,7 +43,7 @@ CanvasGradient::CanvasGradient(HTML::Window& window, Type type)
     : PlatformObject(window.realm())
     , m_type(type)
 {
-    set_prototype(&window.ensure_web_prototype<Bindings::CanvasGradientPrototype>("CanvasGradient"));
+    set_prototype(&window.cached_web_prototype("CanvasGradient"));
 }
 
 CanvasGradient::~CanvasGradient() = default;
diff --git a/Userland/Libraries/LibWeb/HTML/CanvasRenderingContext2D.cpp b/Userland/Libraries/LibWeb/HTML/CanvasRenderingContext2D.cpp
index d0c5e2ff039..287e03e5d95 100644
--- a/Userland/Libraries/LibWeb/HTML/CanvasRenderingContext2D.cpp
+++ b/Userland/Libraries/LibWeb/HTML/CanvasRenderingContext2D.cpp
@@ -10,7 +10,6 @@
 #include <LibGfx/Painter.h>
 #include <LibGfx/Quad.h>
 #include <LibGfx/Rect.h>
-#include <LibWeb/Bindings/CanvasRenderingContext2DPrototype.h>
 #include <LibWeb/DOM/ExceptionOr.h>
 #include <LibWeb/HTML/CanvasRenderingContext2D.h>
 #include <LibWeb/HTML/HTMLCanvasElement.h>
@@ -32,7 +31,7 @@ CanvasRenderingContext2D::CanvasRenderingContext2D(HTML::Window& window, HTMLCan
     : PlatformObject(window.realm())
     , m_element(element)
 {
-    set_prototype(&window.ensure_web_prototype<Bindings::CanvasRenderingContext2DPrototype>("CanvasRenderingContext2D"));
+    set_prototype(&window.cached_web_prototype("CanvasRenderingContext2D"));
 }
 
 CanvasRenderingContext2D::~CanvasRenderingContext2D() = default;
diff --git a/Userland/Libraries/LibWeb/HTML/CloseEvent.cpp b/Userland/Libraries/LibWeb/HTML/CloseEvent.cpp
index 047cac83062..4fc7808ef83 100644
--- a/Userland/Libraries/LibWeb/HTML/CloseEvent.cpp
+++ b/Userland/Libraries/LibWeb/HTML/CloseEvent.cpp
@@ -4,7 +4,6 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
-#include <LibWeb/Bindings/CloseEventPrototype.h>
 #include <LibWeb/HTML/CloseEvent.h>
 #include <LibWeb/HTML/Window.h>
 
@@ -26,7 +25,7 @@ CloseEvent::CloseEvent(HTML::Window& window_object, FlyString const& event_name,
     , m_code(event_init.code)
     , m_reason(event_init.reason)
 {
-    set_prototype(&window_object.ensure_web_prototype<Bindings::CloseEventPrototype>("CloseEvent"));
+    set_prototype(&window_object.cached_web_prototype("CloseEvent"));
 }
 
 CloseEvent::~CloseEvent() = default;
diff --git a/Userland/Libraries/LibWeb/HTML/DOMParser.cpp b/Userland/Libraries/LibWeb/HTML/DOMParser.cpp
index f7846e0fb40..f55851c7576 100644
--- a/Userland/Libraries/LibWeb/HTML/DOMParser.cpp
+++ b/Userland/Libraries/LibWeb/HTML/DOMParser.cpp
@@ -21,7 +21,7 @@ DOM::ExceptionOr<JS::NonnullGCPtr<DOMParser>> DOMParser::create_with_global_obje
 DOMParser::DOMParser(HTML::Window& window)
     : PlatformObject(window.realm())
 {
-    set_prototype(&window.ensure_web_prototype<Bindings::DOMParserPrototype>("DOMParser"));
+    set_prototype(&window.cached_web_prototype("DOMParser"));
 }
 
 DOMParser::~DOMParser() = default;
diff --git a/Userland/Libraries/LibWeb/HTML/DOMStringMap.cpp b/Userland/Libraries/LibWeb/HTML/DOMStringMap.cpp
index 6b6a0a85c31..8909953dcbd 100644
--- a/Userland/Libraries/LibWeb/HTML/DOMStringMap.cpp
+++ b/Userland/Libraries/LibWeb/HTML/DOMStringMap.cpp
@@ -5,7 +5,6 @@
  */
 
 #include <AK/CharacterTypes.h>
-#include <LibWeb/Bindings/DOMStringMapPrototype.h>
 #include <LibWeb/DOM/Document.h>
 #include <LibWeb/DOM/Element.h>
 #include <LibWeb/HTML/DOMStringMap.h>
@@ -20,7 +19,7 @@ JS::NonnullGCPtr<DOMStringMap> DOMStringMap::create(DOM::Element& element)
 }
 
 DOMStringMap::DOMStringMap(DOM::Element& element)
-    : PlatformObject(element.document().window().ensure_web_prototype<Bindings::DOMStringMapPrototype>("DOMStringMap"))
+    : PlatformObject(element.window().cached_web_prototype("DOMStringMap"))
     , m_associated_element(element)
 {
 }
diff --git a/Userland/Libraries/LibWeb/HTML/ErrorEvent.cpp b/Userland/Libraries/LibWeb/HTML/ErrorEvent.cpp
index 7a9654c538b..4a2fe17b6df 100644
--- a/Userland/Libraries/LibWeb/HTML/ErrorEvent.cpp
+++ b/Userland/Libraries/LibWeb/HTML/ErrorEvent.cpp
@@ -4,7 +4,6 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
-#include <LibWeb/Bindings/ErrorEventPrototype.h>
 #include <LibWeb/HTML/ErrorEvent.h>
 #include <LibWeb/HTML/Window.h>
 
@@ -28,7 +27,7 @@ ErrorEvent::ErrorEvent(HTML::Window& window_object, FlyString const& event_name,
     , m_colno(event_init.colno)
     , m_error(event_init.error)
 {
-    set_prototype(&window_object.ensure_web_prototype<Bindings::ErrorEventPrototype>("ErrorEvent"));
+    set_prototype(&window_object.cached_web_prototype("ErrorEvent"));
 }
 
 ErrorEvent::~ErrorEvent() = default;
diff --git a/Userland/Libraries/LibWeb/HTML/HTMLAnchorElement.cpp b/Userland/Libraries/LibWeb/HTML/HTMLAnchorElement.cpp
index 8c19a47fab4..0ac6ec956da 100644
--- a/Userland/Libraries/LibWeb/HTML/HTMLAnchorElement.cpp
+++ b/Userland/Libraries/LibWeb/HTML/HTMLAnchorElement.cpp
@@ -4,7 +4,6 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
-#include <LibWeb/Bindings/HTMLAnchorElementPrototype.h>
 #include <LibWeb/HTML/HTMLAnchorElement.h>
 #include <LibWeb/HTML/Window.h>
 
@@ -13,7 +12,7 @@ namespace Web::HTML {
 HTMLAnchorElement::HTMLAnchorElement(DOM::Document& document, DOM::QualifiedName qualified_name)
     : HTMLElement(document, move(qualified_name))
 {
-    set_prototype(&window().ensure_web_prototype<Bindings::HTMLAnchorElementPrototype>("HTMLAnchorElement"));
+    set_prototype(&window().cached_web_prototype("HTMLAnchorElement"));
 
     activation_behavior = [this](auto const& event) {
         run_activation_behavior(event);
diff --git a/Userland/Libraries/LibWeb/HTML/HTMLAreaElement.cpp b/Userland/Libraries/LibWeb/HTML/HTMLAreaElement.cpp
index c941ef98bc9..74026bf2e4a 100644
--- a/Userland/Libraries/LibWeb/HTML/HTMLAreaElement.cpp
+++ b/Userland/Libraries/LibWeb/HTML/HTMLAreaElement.cpp
@@ -4,7 +4,6 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
-#include <LibWeb/Bindings/HTMLAreaElementPrototype.h>
 #include <LibWeb/HTML/HTMLAreaElement.h>
 #include <LibWeb/HTML/Window.h>
 
@@ -13,7 +12,7 @@ namespace Web::HTML {
 HTMLAreaElement::HTMLAreaElement(DOM::Document& document, DOM::QualifiedName qualified_name)
     : HTMLElement(document, move(qualified_name))
 {
-    set_prototype(&window().ensure_web_prototype<Bindings::HTMLAreaElementPrototype>("HTMLAreaElement"));
+    set_prototype(&window().cached_web_prototype("HTMLAreaElement"));
 }
 
 HTMLAreaElement::~HTMLAreaElement() = default;
diff --git a/Userland/Libraries/LibWeb/HTML/HTMLAudioElement.cpp b/Userland/Libraries/LibWeb/HTML/HTMLAudioElement.cpp
index 97befd800fc..19e6645e13b 100644
--- a/Userland/Libraries/LibWeb/HTML/HTMLAudioElement.cpp
+++ b/Userland/Libraries/LibWeb/HTML/HTMLAudioElement.cpp
@@ -4,7 +4,6 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
-#include <LibWeb/Bindings/HTMLAudioElementPrototype.h>
 #include <LibWeb/HTML/HTMLAudioElement.h>
 #include <LibWeb/HTML/Window.h>
 
@@ -13,7 +12,7 @@ namespace Web::HTML {
 HTMLAudioElement::HTMLAudioElement(DOM::Document& document, DOM::QualifiedName qualified_name)
     : HTMLMediaElement(document, move(qualified_name))
 {
-    set_prototype(&window().ensure_web_prototype<Bindings::HTMLAudioElementPrototype>("HTMLAudioElement"));
+    set_prototype(&window().cached_web_prototype("HTMLAudioElement"));
 }
 
 HTMLAudioElement::~HTMLAudioElement() = default;
diff --git a/Userland/Libraries/LibWeb/HTML/HTMLBRElement.cpp b/Userland/Libraries/LibWeb/HTML/HTMLBRElement.cpp
index 9cf419290ae..bde4a474ea6 100644
--- a/Userland/Libraries/LibWeb/HTML/HTMLBRElement.cpp
+++ b/Userland/Libraries/LibWeb/HTML/HTMLBRElement.cpp
@@ -4,7 +4,6 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
-#include <LibWeb/Bindings/HTMLBRElementPrototype.h>
 #include <LibWeb/DOM/Document.h>
 #include <LibWeb/HTML/HTMLBRElement.h>
 #include <LibWeb/Layout/BreakNode.h>
@@ -14,7 +13,7 @@ namespace Web::HTML {
 HTMLBRElement::HTMLBRElement(DOM::Document& document, DOM::QualifiedName qualified_name)
     : HTMLElement(document, move(qualified_name))
 {
-    set_prototype(&window().ensure_web_prototype<Bindings::HTMLBRElementPrototype>("HTMLBRElement"));
+    set_prototype(&window().cached_web_prototype("HTMLBRElement"));
 }
 
 HTMLBRElement::~HTMLBRElement() = default;
diff --git a/Userland/Libraries/LibWeb/HTML/HTMLBaseElement.cpp b/Userland/Libraries/LibWeb/HTML/HTMLBaseElement.cpp
index 66f3b44bed5..090bd75a4d1 100644
--- a/Userland/Libraries/LibWeb/HTML/HTMLBaseElement.cpp
+++ b/Userland/Libraries/LibWeb/HTML/HTMLBaseElement.cpp
@@ -4,7 +4,6 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
-#include <LibWeb/Bindings/HTMLBaseElementPrototype.h>
 #include <LibWeb/DOM/Document.h>
 #include <LibWeb/HTML/HTMLBaseElement.h>
 
@@ -13,7 +12,7 @@ namespace Web::HTML {
 HTMLBaseElement::HTMLBaseElement(DOM::Document& document, DOM::QualifiedName qualified_name)
     : HTMLElement(document, move(qualified_name))
 {
-    set_prototype(&window().ensure_web_prototype<Bindings::HTMLBaseElementPrototype>("HTMLBaseElement"));
+    set_prototype(&window().cached_web_prototype("HTMLBaseElement"));
 }
 
 HTMLBaseElement::~HTMLBaseElement() = default;
diff --git a/Userland/Libraries/LibWeb/HTML/HTMLBodyElement.cpp b/Userland/Libraries/LibWeb/HTML/HTMLBodyElement.cpp
index 17b4bc7a768..38165dddbbe 100644
--- a/Userland/Libraries/LibWeb/HTML/HTMLBodyElement.cpp
+++ b/Userland/Libraries/LibWeb/HTML/HTMLBodyElement.cpp
@@ -4,7 +4,6 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
-#include <LibWeb/Bindings/HTMLBodyElementPrototype.h>
 #include <LibWeb/CSS/StyleProperties.h>
 #include <LibWeb/CSS/StyleValue.h>
 #include <LibWeb/DOM/Document.h>
@@ -16,7 +15,7 @@ namespace Web::HTML {
 HTMLBodyElement::HTMLBodyElement(DOM::Document& document, DOM::QualifiedName qualified_name)
     : HTMLElement(document, move(qualified_name))
 {
-    set_prototype(&window().ensure_web_prototype<Bindings::HTMLBodyElementPrototype>("HTMLBodyElement"));
+    set_prototype(&window().cached_web_prototype("HTMLBodyElement"));
 }
 
 HTMLBodyElement::~HTMLBodyElement() = default;
diff --git a/Userland/Libraries/LibWeb/HTML/HTMLButtonElement.cpp b/Userland/Libraries/LibWeb/HTML/HTMLButtonElement.cpp
index e8c9399a46a..7aea6bf9934 100644
--- a/Userland/Libraries/LibWeb/HTML/HTMLButtonElement.cpp
+++ b/Userland/Libraries/LibWeb/HTML/HTMLButtonElement.cpp
@@ -4,7 +4,6 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
-#include <LibWeb/Bindings/HTMLButtonElementPrototype.h>
 #include <LibWeb/DOM/Document.h>
 #include <LibWeb/HTML/HTMLButtonElement.h>
 #include <LibWeb/HTML/HTMLFormElement.h>
@@ -14,7 +13,7 @@ namespace Web::HTML {
 HTMLButtonElement::HTMLButtonElement(DOM::Document& document, DOM::QualifiedName qualified_name)
     : HTMLElement(document, move(qualified_name))
 {
-    set_prototype(&window().ensure_web_prototype<Bindings::HTMLButtonElementPrototype>("HTMLButtonElement"));
+    set_prototype(&window().cached_web_prototype("HTMLButtonElement"));
 
     // https://html.spec.whatwg.org/multipage/form-elements.html#the-button-element:activation-behaviour
     activation_behavior = [this](auto&) {
diff --git a/Userland/Libraries/LibWeb/HTML/HTMLCanvasElement.cpp b/Userland/Libraries/LibWeb/HTML/HTMLCanvasElement.cpp
index 21a2f0b820a..fb9324f82ff 100644
--- a/Userland/Libraries/LibWeb/HTML/HTMLCanvasElement.cpp
+++ b/Userland/Libraries/LibWeb/HTML/HTMLCanvasElement.cpp
@@ -8,7 +8,6 @@
 #include <AK/Checked.h>
 #include <LibGfx/Bitmap.h>
 #include <LibGfx/PNGWriter.h>
-#include <LibWeb/Bindings/HTMLCanvasElementPrototype.h>
 #include <LibWeb/CSS/StyleComputer.h>
 #include <LibWeb/DOM/Document.h>
 #include <LibWeb/HTML/CanvasRenderingContext2D.h>
@@ -22,7 +21,7 @@ static constexpr auto max_canvas_area = 16384 * 16384;
 HTMLCanvasElement::HTMLCanvasElement(DOM::Document& document, DOM::QualifiedName qualified_name)
     : HTMLElement(document, move(qualified_name))
 {
-    set_prototype(&document.window().ensure_web_prototype<Bindings::HTMLCanvasElementPrototype>("HTMLCanvasElement"));
+    set_prototype(&document.window().cached_web_prototype("HTMLCanvasElement"));
 }
 
 HTMLCanvasElement::~HTMLCanvasElement() = default;
diff --git a/Userland/Libraries/LibWeb/HTML/HTMLDListElement.cpp b/Userland/Libraries/LibWeb/HTML/HTMLDListElement.cpp
index e280e16342d..a9b14514190 100644
--- a/Userland/Libraries/LibWeb/HTML/HTMLDListElement.cpp
+++ b/Userland/Libraries/LibWeb/HTML/HTMLDListElement.cpp
@@ -4,7 +4,6 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
-#include <LibWeb/Bindings/HTMLDListElementPrototype.h>
 #include <LibWeb/HTML/HTMLDListElement.h>
 #include <LibWeb/HTML/Window.h>
 
@@ -13,7 +12,7 @@ namespace Web::HTML {
 HTMLDListElement::HTMLDListElement(DOM::Document& document, DOM::QualifiedName qualified_name)
     : HTMLElement(document, move(qualified_name))
 {
-    set_prototype(&window().ensure_web_prototype<Bindings::HTMLDListElementPrototype>("HTMLDListElement"));
+    set_prototype(&window().cached_web_prototype("HTMLDListElement"));
 }
 
 HTMLDListElement::~HTMLDListElement() = default;
diff --git a/Userland/Libraries/LibWeb/HTML/HTMLDataElement.cpp b/Userland/Libraries/LibWeb/HTML/HTMLDataElement.cpp
index 4740335f44a..9270655d7f8 100644
--- a/Userland/Libraries/LibWeb/HTML/HTMLDataElement.cpp
+++ b/Userland/Libraries/LibWeb/HTML/HTMLDataElement.cpp
@@ -4,7 +4,6 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
-#include <LibWeb/Bindings/HTMLDataElementPrototype.h>
 #include <LibWeb/HTML/HTMLDataElement.h>
 #include <LibWeb/HTML/Window.h>
 
@@ -13,7 +12,7 @@ namespace Web::HTML {
 HTMLDataElement::HTMLDataElement(DOM::Document& document, DOM::QualifiedName qualified_name)
     : HTMLElement(document, move(qualified_name))
 {
-    set_prototype(&window().ensure_web_prototype<Bindings::HTMLDataElementPrototype>("HTMLDataElement"));
+    set_prototype(&window().cached_web_prototype("HTMLDataElement"));
 }
 
 HTMLDataElement::~HTMLDataElement() = default;
diff --git a/Userland/Libraries/LibWeb/HTML/HTMLDataListElement.cpp b/Userland/Libraries/LibWeb/HTML/HTMLDataListElement.cpp
index b3866d30fb8..9f0db05519f 100644
--- a/Userland/Libraries/LibWeb/HTML/HTMLDataListElement.cpp
+++ b/Userland/Libraries/LibWeb/HTML/HTMLDataListElement.cpp
@@ -4,7 +4,6 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
-#include <LibWeb/Bindings/HTMLDataListElementPrototype.h>
 #include <LibWeb/HTML/HTMLDataListElement.h>
 #include <LibWeb/HTML/Window.h>
 
@@ -13,7 +12,7 @@ namespace Web::HTML {
 HTMLDataListElement::HTMLDataListElement(DOM::Document& document, DOM::QualifiedName qualified_name)
     : HTMLElement(document, move(qualified_name))
 {
-    set_prototype(&window().ensure_web_prototype<Bindings::HTMLDataListElementPrototype>("HTMLDataListElement"));
+    set_prototype(&window().cached_web_prototype("HTMLDataListElement"));
 }
 
 HTMLDataListElement::~HTMLDataListElement() = default;
diff --git a/Userland/Libraries/LibWeb/HTML/HTMLDetailsElement.cpp b/Userland/Libraries/LibWeb/HTML/HTMLDetailsElement.cpp
index f2d6ac5a777..b0b8312c63e 100644
--- a/Userland/Libraries/LibWeb/HTML/HTMLDetailsElement.cpp
+++ b/Userland/Libraries/LibWeb/HTML/HTMLDetailsElement.cpp
@@ -4,7 +4,6 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
-#include <LibWeb/Bindings/HTMLDetailsElementPrototype.h>
 #include <LibWeb/HTML/HTMLDetailsElement.h>
 #include <LibWeb/HTML/Window.h>
 
@@ -13,7 +12,7 @@ namespace Web::HTML {
 HTMLDetailsElement::HTMLDetailsElement(DOM::Document& document, DOM::QualifiedName qualified_name)
     : HTMLElement(document, move(qualified_name))
 {
-    set_prototype(&window().ensure_web_prototype<Bindings::HTMLDetailsElementPrototype>("HTMLDetailsElement"));
+    set_prototype(&window().cached_web_prototype("HTMLDetailsElement"));
 }
 
 HTMLDetailsElement::~HTMLDetailsElement() = default;
diff --git a/Userland/Libraries/LibWeb/HTML/HTMLDialogElement.cpp b/Userland/Libraries/LibWeb/HTML/HTMLDialogElement.cpp
index 9aa1666f03f..d6960cbe0b6 100644
--- a/Userland/Libraries/LibWeb/HTML/HTMLDialogElement.cpp
+++ b/Userland/Libraries/LibWeb/HTML/HTMLDialogElement.cpp
@@ -4,7 +4,6 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
-#include <LibWeb/Bindings/HTMLDialogElementPrototype.h>
 #include <LibWeb/HTML/HTMLDialogElement.h>
 #include <LibWeb/HTML/Window.h>
 
@@ -13,7 +12,7 @@ namespace Web::HTML {
 HTMLDialogElement::HTMLDialogElement(DOM::Document& document, DOM::QualifiedName qualified_name)
     : HTMLElement(document, move(qualified_name))
 {
-    set_prototype(&window().ensure_web_prototype<Bindings::HTMLDialogElementPrototype>("HTMLDialogElement"));
+    set_prototype(&window().cached_web_prototype("HTMLDialogElement"));
 }
 
 HTMLDialogElement::~HTMLDialogElement() = default;
diff --git a/Userland/Libraries/LibWeb/HTML/HTMLDirectoryElement.cpp b/Userland/Libraries/LibWeb/HTML/HTMLDirectoryElement.cpp
index 743a234ba63..576c588d696 100644
--- a/Userland/Libraries/LibWeb/HTML/HTMLDirectoryElement.cpp
+++ b/Userland/Libraries/LibWeb/HTML/HTMLDirectoryElement.cpp
@@ -4,7 +4,6 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
-#include <LibWeb/Bindings/HTMLDirectoryElementPrototype.h>
 #include <LibWeb/HTML/HTMLDirectoryElement.h>
 #include <LibWeb/HTML/Window.h>
 
@@ -13,7 +12,7 @@ namespace Web::HTML {
 HTMLDirectoryElement::HTMLDirectoryElement(DOM::Document& document, DOM::QualifiedName qualified_name)
     : HTMLElement(document, move(qualified_name))
 {
-    set_prototype(&window().ensure_web_prototype<Bindings::HTMLDirectoryElementPrototype>("HTMLDirectoryElement"));
+    set_prototype(&window().cached_web_prototype("HTMLDirectoryElement"));
 }
 
 HTMLDirectoryElement::~HTMLDirectoryElement() = default;
diff --git a/Userland/Libraries/LibWeb/HTML/HTMLDivElement.cpp b/Userland/Libraries/LibWeb/HTML/HTMLDivElement.cpp
index 22bc02ebc5d..28ba8e5498b 100644
--- a/Userland/Libraries/LibWeb/HTML/HTMLDivElement.cpp
+++ b/Userland/Libraries/LibWeb/HTML/HTMLDivElement.cpp
@@ -4,7 +4,6 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
-#include <LibWeb/Bindings/HTMLDivElementPrototype.h>
 #include <LibWeb/HTML/HTMLDivElement.h>
 #include <LibWeb/HTML/Window.h>
 
@@ -13,7 +12,7 @@ namespace Web::HTML {
 HTMLDivElement::HTMLDivElement(DOM::Document& document, DOM::QualifiedName qualified_name)
     : HTMLElement(document, move(qualified_name))
 {
-    set_prototype(&window().ensure_web_prototype<Bindings::HTMLDivElementPrototype>("HTMLDivElement"));
+    set_prototype(&window().cached_web_prototype("HTMLDivElement"));
 }
 
 HTMLDivElement::~HTMLDivElement() = default;
diff --git a/Userland/Libraries/LibWeb/HTML/HTMLElement.cpp b/Userland/Libraries/LibWeb/HTML/HTMLElement.cpp
index 05350872c72..05111ab5ef9 100644
--- a/Userland/Libraries/LibWeb/HTML/HTMLElement.cpp
+++ b/Userland/Libraries/LibWeb/HTML/HTMLElement.cpp
@@ -7,7 +7,6 @@
 #include <AK/StringBuilder.h>
 #include <LibJS/Interpreter.h>
 #include <LibJS/Parser.h>
-#include <LibWeb/Bindings/HTMLElementPrototype.h>
 #include <LibWeb/DOM/DOMException.h>
 #include <LibWeb/DOM/Document.h>
 #include <LibWeb/DOM/ExceptionOr.h>
@@ -33,7 +32,7 @@ HTMLElement::HTMLElement(DOM::Document& document, DOM::QualifiedName qualified_n
     : Element(document, move(qualified_name))
     , m_dataset(DOMStringMap::create(*this))
 {
-    set_prototype(&window().ensure_web_prototype<Bindings::HTMLElementPrototype>("HTMLElement"));
+    set_prototype(&window().cached_web_prototype("HTMLElement"));
 }
 
 HTMLElement::~HTMLElement() = default;
diff --git a/Userland/Libraries/LibWeb/HTML/HTMLEmbedElement.cpp b/Userland/Libraries/LibWeb/HTML/HTMLEmbedElement.cpp
index d6d036c1b85..c62afdd6cbb 100644
--- a/Userland/Libraries/LibWeb/HTML/HTMLEmbedElement.cpp
+++ b/Userland/Libraries/LibWeb/HTML/HTMLEmbedElement.cpp
@@ -4,7 +4,6 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
-#include <LibWeb/Bindings/HTMLEmbedElementPrototype.h>
 #include <LibWeb/HTML/HTMLEmbedElement.h>
 #include <LibWeb/HTML/Window.h>
 
@@ -13,7 +12,7 @@ namespace Web::HTML {
 HTMLEmbedElement::HTMLEmbedElement(DOM::Document& document, DOM::QualifiedName qualified_name)
     : HTMLElement(document, move(qualified_name))
 {
-    set_prototype(&window().ensure_web_prototype<Bindings::HTMLEmbedElementPrototype>("HTMLEmbedElement"));
+    set_prototype(&window().cached_web_prototype("HTMLEmbedElement"));
 }
 
 HTMLEmbedElement::~HTMLEmbedElement() = default;
diff --git a/Userland/Libraries/LibWeb/HTML/HTMLFieldSetElement.cpp b/Userland/Libraries/LibWeb/HTML/HTMLFieldSetElement.cpp
index fe2f968a66e..4090cb0c074 100644
--- a/Userland/Libraries/LibWeb/HTML/HTMLFieldSetElement.cpp
+++ b/Userland/Libraries/LibWeb/HTML/HTMLFieldSetElement.cpp
@@ -4,7 +4,6 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
-#include <LibWeb/Bindings/HTMLFieldSetElementPrototype.h>
 #include <LibWeb/HTML/HTMLFieldSetElement.h>
 #include <LibWeb/HTML/Window.h>
 
@@ -13,7 +12,7 @@ namespace Web::HTML {
 HTMLFieldSetElement::HTMLFieldSetElement(DOM::Document& document, DOM::QualifiedName qualified_name)
     : HTMLElement(document, move(qualified_name))
 {
-    set_prototype(&window().ensure_web_prototype<Bindings::HTMLFieldSetElementPrototype>("HTMLFieldSetElement"));
+    set_prototype(&window().cached_web_prototype("HTMLFieldSetElement"));
 }
 
 HTMLFieldSetElement::~HTMLFieldSetElement() = default;
diff --git a/Userland/Libraries/LibWeb/HTML/HTMLFontElement.cpp b/Userland/Libraries/LibWeb/HTML/HTMLFontElement.cpp
index f969f036584..dd104088cbd 100644
--- a/Userland/Libraries/LibWeb/HTML/HTMLFontElement.cpp
+++ b/Userland/Libraries/LibWeb/HTML/HTMLFontElement.cpp
@@ -4,7 +4,6 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
-#include <LibWeb/Bindings/HTMLFontElementPrototype.h>
 #include <LibWeb/CSS/StyleProperties.h>
 #include <LibWeb/CSS/StyleValue.h>
 #include <LibWeb/HTML/HTMLFontElement.h>
@@ -15,7 +14,7 @@ namespace Web::HTML {
 HTMLFontElement::HTMLFontElement(DOM::Document& document, DOM::QualifiedName qualified_name)
     : HTMLElement(document, move(qualified_name))
 {
-    set_prototype(&window().ensure_web_prototype<Bindings::HTMLFontElementPrototype>("HTMLFontElement"));
+    set_prototype(&window().cached_web_prototype("HTMLFontElement"));
 }
 
 HTMLFontElement::~HTMLFontElement() = default;
diff --git a/Userland/Libraries/LibWeb/HTML/HTMLFormElement.cpp b/Userland/Libraries/LibWeb/HTML/HTMLFormElement.cpp
index acce37c42d2..9599f9390f8 100644
--- a/Userland/Libraries/LibWeb/HTML/HTMLFormElement.cpp
+++ b/Userland/Libraries/LibWeb/HTML/HTMLFormElement.cpp
@@ -5,7 +5,6 @@
  */
 
 #include <AK/StringBuilder.h>
-#include <LibWeb/Bindings/HTMLFormElementPrototype.h>
 #include <LibWeb/DOM/Document.h>
 #include <LibWeb/HTML/BrowsingContext.h>
 #include <LibWeb/HTML/EventNames.h>
@@ -26,7 +25,7 @@ namespace Web::HTML {
 HTMLFormElement::HTMLFormElement(DOM::Document& document, DOM::QualifiedName qualified_name)
     : HTMLElement(document, move(qualified_name))
 {
-    set_prototype(&window().ensure_web_prototype<Bindings::HTMLFormElementPrototype>("HTMLFormElement"));
+    set_prototype(&window().cached_web_prototype("HTMLFormElement"));
 }
 
 HTMLFormElement::~HTMLFormElement() = default;
diff --git a/Userland/Libraries/LibWeb/HTML/HTMLFrameElement.cpp b/Userland/Libraries/LibWeb/HTML/HTMLFrameElement.cpp
index c5ae687c058..9e0b3653b7e 100644
--- a/Userland/Libraries/LibWeb/HTML/HTMLFrameElement.cpp
+++ b/Userland/Libraries/LibWeb/HTML/HTMLFrameElement.cpp
@@ -4,7 +4,6 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
-#include <LibWeb/Bindings/HTMLFrameElementPrototype.h>
 #include <LibWeb/HTML/HTMLFrameElement.h>
 #include <LibWeb/HTML/Window.h>
 
@@ -13,7 +12,7 @@ namespace Web::HTML {
 HTMLFrameElement::HTMLFrameElement(DOM::Document& document, DOM::QualifiedName qualified_name)
     : HTMLElement(document, move(qualified_name))
 {
-    set_prototype(&window().ensure_web_prototype<Bindings::HTMLFrameElementPrototype>("HTMLFrameElement"));
+    set_prototype(&window().cached_web_prototype("HTMLFrameElement"));
 }
 
 HTMLFrameElement::~HTMLFrameElement() = default;
diff --git a/Userland/Libraries/LibWeb/HTML/HTMLFrameSetElement.cpp b/Userland/Libraries/LibWeb/HTML/HTMLFrameSetElement.cpp
index 52d06e95400..33054ee584b 100644
--- a/Userland/Libraries/LibWeb/HTML/HTMLFrameSetElement.cpp
+++ b/Userland/Libraries/LibWeb/HTML/HTMLFrameSetElement.cpp
@@ -4,7 +4,6 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
-#include <LibWeb/Bindings/HTMLFrameSetElementPrototype.h>
 #include <LibWeb/DOM/Document.h>
 #include <LibWeb/HTML/HTMLFrameSetElement.h>
 #include <LibWeb/HTML/Window.h>
@@ -14,7 +13,7 @@ namespace Web::HTML {
 HTMLFrameSetElement::HTMLFrameSetElement(DOM::Document& document, DOM::QualifiedName qualified_name)
     : HTMLElement(document, move(qualified_name))
 {
-    set_prototype(&window().ensure_web_prototype<Bindings::HTMLFrameSetElementPrototype>("HTMLFrameSetElement"));
+    set_prototype(&window().cached_web_prototype("HTMLFrameSetElement"));
 }
 
 HTMLFrameSetElement::~HTMLFrameSetElement() = default;
diff --git a/Userland/Libraries/LibWeb/HTML/HTMLHRElement.cpp b/Userland/Libraries/LibWeb/HTML/HTMLHRElement.cpp
index 89d19cb1e5b..00a89cab778 100644
--- a/Userland/Libraries/LibWeb/HTML/HTMLHRElement.cpp
+++ b/Userland/Libraries/LibWeb/HTML/HTMLHRElement.cpp
@@ -4,7 +4,6 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
-#include <LibWeb/Bindings/HTMLHRElementPrototype.h>
 #include <LibWeb/HTML/HTMLHRElement.h>
 #include <LibWeb/HTML/Window.h>
 
@@ -13,7 +12,7 @@ namespace Web::HTML {
 HTMLHRElement::HTMLHRElement(DOM::Document& document, DOM::QualifiedName qualified_name)
     : HTMLElement(document, move(qualified_name))
 {
-    set_prototype(&window().ensure_web_prototype<Bindings::HTMLHRElementPrototype>("HTMLHRElement"));
+    set_prototype(&window().cached_web_prototype("HTMLHRElement"));
 }
 
 HTMLHRElement::~HTMLHRElement() = default;
diff --git a/Userland/Libraries/LibWeb/HTML/HTMLHeadElement.cpp b/Userland/Libraries/LibWeb/HTML/HTMLHeadElement.cpp
index fa351267972..0740228b11a 100644
--- a/Userland/Libraries/LibWeb/HTML/HTMLHeadElement.cpp
+++ b/Userland/Libraries/LibWeb/HTML/HTMLHeadElement.cpp
@@ -4,7 +4,6 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
-#include <LibWeb/Bindings/HTMLHeadElementPrototype.h>
 #include <LibWeb/HTML/HTMLHeadElement.h>
 #include <LibWeb/HTML/Window.h>
 
@@ -13,7 +12,7 @@ namespace Web::HTML {
 HTMLHeadElement::HTMLHeadElement(DOM::Document& document, DOM::QualifiedName qualified_name)
     : HTMLElement(document, move(qualified_name))
 {
-    set_prototype(&window().ensure_web_prototype<Bindings::HTMLHeadElementPrototype>("HTMLHeadElement"));
+    set_prototype(&window().cached_web_prototype("HTMLHeadElement"));
 }
 
 HTMLHeadElement::~HTMLHeadElement() = default;
diff --git a/Userland/Libraries/LibWeb/HTML/HTMLHeadingElement.cpp b/Userland/Libraries/LibWeb/HTML/HTMLHeadingElement.cpp
index 28b276f17ad..165fd4832a0 100644
--- a/Userland/Libraries/LibWeb/HTML/HTMLHeadingElement.cpp
+++ b/Userland/Libraries/LibWeb/HTML/HTMLHeadingElement.cpp
@@ -4,7 +4,6 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
-#include <LibWeb/Bindings/HTMLHeadingElementPrototype.h>
 #include <LibWeb/HTML/HTMLHeadingElement.h>
 #include <LibWeb/HTML/Window.h>
 
@@ -13,7 +12,7 @@ namespace Web::HTML {
 HTMLHeadingElement::HTMLHeadingElement(DOM::Document& document, DOM::QualifiedName qualified_name)
     : HTMLElement(document, move(qualified_name))
 {
-    set_prototype(&window().ensure_web_prototype<Bindings::HTMLHeadingElementPrototype>("HTMLHeadingElement"));
+    set_prototype(&window().cached_web_prototype("HTMLHeadingElement"));
 }
 
 HTMLHeadingElement::~HTMLHeadingElement() = default;
diff --git a/Userland/Libraries/LibWeb/HTML/HTMLHtmlElement.cpp b/Userland/Libraries/LibWeb/HTML/HTMLHtmlElement.cpp
index 90fe7f8c52f..22eab1230c3 100644
--- a/Userland/Libraries/LibWeb/HTML/HTMLHtmlElement.cpp
+++ b/Userland/Libraries/LibWeb/HTML/HTMLHtmlElement.cpp
@@ -4,7 +4,6 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
-#include <LibWeb/Bindings/HTMLHtmlElementPrototype.h>
 #include <LibWeb/HTML/HTMLHtmlElement.h>
 #include <LibWeb/HTML/Window.h>
 
@@ -13,7 +12,7 @@ namespace Web::HTML {
 HTMLHtmlElement::HTMLHtmlElement(DOM::Document& document, DOM::QualifiedName qualified_name)
     : HTMLElement(document, move(qualified_name))
 {
-    set_prototype(&window().ensure_web_prototype<Bindings::HTMLHtmlElementPrototype>("HTMLHtmlElement"));
+    set_prototype(&window().cached_web_prototype("HTMLHtmlElement"));
 }
 
 HTMLHtmlElement::~HTMLHtmlElement() = default;
diff --git a/Userland/Libraries/LibWeb/HTML/HTMLIFrameElement.cpp b/Userland/Libraries/LibWeb/HTML/HTMLIFrameElement.cpp
index 2ee367455e5..ef3f3e2a6cd 100644
--- a/Userland/Libraries/LibWeb/HTML/HTMLIFrameElement.cpp
+++ b/Userland/Libraries/LibWeb/HTML/HTMLIFrameElement.cpp
@@ -4,7 +4,6 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
-#include <LibWeb/Bindings/HTMLIFrameElementPrototype.h>
 #include <LibWeb/DOM/Document.h>
 #include <LibWeb/DOM/Event.h>
 #include <LibWeb/HTML/BrowsingContext.h>
@@ -17,7 +16,7 @@ namespace Web::HTML {
 HTMLIFrameElement::HTMLIFrameElement(DOM::Document& document, DOM::QualifiedName qualified_name)
     : BrowsingContextContainer(document, move(qualified_name))
 {
-    set_prototype(&document.window().ensure_web_prototype<Bindings::HTMLIFrameElementPrototype>("HTMLIFrameElement"));
+    set_prototype(&document.window().cached_web_prototype("HTMLIFrameElement"));
 }
 
 HTMLIFrameElement::~HTMLIFrameElement() = default;
diff --git a/Userland/Libraries/LibWeb/HTML/HTMLImageElement.cpp b/Userland/Libraries/LibWeb/HTML/HTMLImageElement.cpp
index 4e2d0d39117..c36a4845f3b 100644
--- a/Userland/Libraries/LibWeb/HTML/HTMLImageElement.cpp
+++ b/Userland/Libraries/LibWeb/HTML/HTMLImageElement.cpp
@@ -5,7 +5,6 @@
  */
 
 #include <LibGfx/Bitmap.h>
-#include <LibWeb/Bindings/HTMLImageElementPrototype.h>
 #include <LibWeb/CSS/Parser/Parser.h>
 #include <LibWeb/CSS/StyleComputer.h>
 #include <LibWeb/DOM/Document.h>
@@ -23,7 +22,7 @@ HTMLImageElement::HTMLImageElement(DOM::Document& document, DOM::QualifiedName q
     : HTMLElement(document, move(qualified_name))
     , m_image_loader(*this)
 {
-    set_prototype(&window().ensure_web_prototype<Bindings::HTMLImageElementPrototype>("HTMLImageElement"));
+    set_prototype(&window().cached_web_prototype("HTMLImageElement"));
 
     m_image_loader.on_load = [this] {
         set_needs_style_update(true);
diff --git a/Userland/Libraries/LibWeb/HTML/HTMLInputElement.cpp b/Userland/Libraries/LibWeb/HTML/HTMLInputElement.cpp
index 4ca7cc2f057..1d3f4eb77fd 100644
--- a/Userland/Libraries/LibWeb/HTML/HTMLInputElement.cpp
+++ b/Userland/Libraries/LibWeb/HTML/HTMLInputElement.cpp
@@ -5,7 +5,6 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
-#include <LibWeb/Bindings/HTMLInputElementPrototype.h>
 #include <LibWeb/DOM/Document.h>
 #include <LibWeb/DOM/Event.h>
 #include <LibWeb/DOM/ShadowRoot.h>
@@ -25,7 +24,7 @@ HTMLInputElement::HTMLInputElement(DOM::Document& document, DOM::QualifiedName q
     : HTMLElement(document, move(qualified_name))
     , m_value(String::empty())
 {
-    set_prototype(&window().ensure_web_prototype<Bindings::HTMLInputElementPrototype>("HTMLInputElement"));
+    set_prototype(&window().cached_web_prototype("HTMLInputElement"));
 
     activation_behavior = [this](auto&) {
         // The activation behavior for input elements are these steps:
diff --git a/Userland/Libraries/LibWeb/HTML/HTMLLIElement.cpp b/Userland/Libraries/LibWeb/HTML/HTMLLIElement.cpp
index 1c85241a0aa..c7f99a26142 100644
--- a/Userland/Libraries/LibWeb/HTML/HTMLLIElement.cpp
+++ b/Userland/Libraries/LibWeb/HTML/HTMLLIElement.cpp
@@ -4,7 +4,6 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
-#include <LibWeb/Bindings/HTMLLIElementPrototype.h>
 #include <LibWeb/HTML/HTMLLIElement.h>
 #include <LibWeb/HTML/Window.h>
 
@@ -13,7 +12,7 @@ namespace Web::HTML {
 HTMLLIElement::HTMLLIElement(DOM::Document& document, DOM::QualifiedName qualified_name)
     : HTMLElement(document, move(qualified_name))
 {
-    set_prototype(&window().ensure_web_prototype<Bindings::HTMLLIElementPrototype>("HTMLLIElement"));
+    set_prototype(&window().cached_web_prototype("HTMLLIElement"));
 }
 
 HTMLLIElement::~HTMLLIElement() = default;
diff --git a/Userland/Libraries/LibWeb/HTML/HTMLLabelElement.cpp b/Userland/Libraries/LibWeb/HTML/HTMLLabelElement.cpp
index 31398d3c902..b3c6b7ab9a9 100644
--- a/Userland/Libraries/LibWeb/HTML/HTMLLabelElement.cpp
+++ b/Userland/Libraries/LibWeb/HTML/HTMLLabelElement.cpp
@@ -4,7 +4,6 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
-#include <LibWeb/Bindings/HTMLLabelElementPrototype.h>
 #include <LibWeb/DOM/Document.h>
 #include <LibWeb/HTML/HTMLLabelElement.h>
 #include <LibWeb/Layout/Label.h>
@@ -14,7 +13,7 @@ namespace Web::HTML {
 HTMLLabelElement::HTMLLabelElement(DOM::Document& document, DOM::QualifiedName qualified_name)
     : HTMLElement(document, move(qualified_name))
 {
-    set_prototype(&window().ensure_web_prototype<Bindings::HTMLLabelElementPrototype>("HTMLLabelElement"));
+    set_prototype(&window().cached_web_prototype("HTMLLabelElement"));
 }
 
 HTMLLabelElement::~HTMLLabelElement() = default;
diff --git a/Userland/Libraries/LibWeb/HTML/HTMLLegendElement.cpp b/Userland/Libraries/LibWeb/HTML/HTMLLegendElement.cpp
index 7cdaae70162..c4781885b48 100644
--- a/Userland/Libraries/LibWeb/HTML/HTMLLegendElement.cpp
+++ b/Userland/Libraries/LibWeb/HTML/HTMLLegendElement.cpp
@@ -13,7 +13,7 @@ namespace Web::HTML {
 HTMLLegendElement::HTMLLegendElement(DOM::Document& document, DOM::QualifiedName qualified_name)
     : HTMLElement(document, move(qualified_name))
 {
-    set_prototype(&window().ensure_web_prototype<Bindings::HTMLLegendElementPrototype>("HTMLLegendElement"));
+    set_prototype(&window().cached_web_prototype("HTMLLegendElement"));
 }
 
 HTMLLegendElement::~HTMLLegendElement() = default;
diff --git a/Userland/Libraries/LibWeb/HTML/HTMLLinkElement.cpp b/Userland/Libraries/LibWeb/HTML/HTMLLinkElement.cpp
index c2365ab4298..9fd5d9024c0 100644
--- a/Userland/Libraries/LibWeb/HTML/HTMLLinkElement.cpp
+++ b/Userland/Libraries/LibWeb/HTML/HTMLLinkElement.cpp
@@ -9,7 +9,6 @@
 #include <AK/ByteBuffer.h>
 #include <AK/Debug.h>
 #include <AK/URL.h>
-#include <LibWeb/Bindings/HTMLLinkElementPrototype.h>
 #include <LibWeb/CSS/Parser/Parser.h>
 #include <LibWeb/DOM/Document.h>
 #include <LibWeb/HTML/HTMLLinkElement.h>
@@ -22,7 +21,7 @@ namespace Web::HTML {
 HTMLLinkElement::HTMLLinkElement(DOM::Document& document, DOM::QualifiedName qualified_name)
     : HTMLElement(document, move(qualified_name))
 {
-    set_prototype(&window().ensure_web_prototype<Bindings::HTMLLinkElementPrototype>("HTMLLinkElement"));
+    set_prototype(&window().cached_web_prototype("HTMLLinkElement"));
 }
 
 HTMLLinkElement::~HTMLLinkElement() = default;
diff --git a/Userland/Libraries/LibWeb/HTML/HTMLMapElement.cpp b/Userland/Libraries/LibWeb/HTML/HTMLMapElement.cpp
index e02e7374f0d..5f8ef1f9e16 100644
--- a/Userland/Libraries/LibWeb/HTML/HTMLMapElement.cpp
+++ b/Userland/Libraries/LibWeb/HTML/HTMLMapElement.cpp
@@ -4,7 +4,6 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
-#include <LibWeb/Bindings/HTMLMapElementPrototype.h>
 #include <LibWeb/HTML/HTMLMapElement.h>
 #include <LibWeb/HTML/Window.h>
 
@@ -13,7 +12,7 @@ namespace Web::HTML {
 HTMLMapElement::HTMLMapElement(DOM::Document& document, DOM::QualifiedName qualified_name)
     : HTMLElement(document, move(qualified_name))
 {
-    set_prototype(&window().ensure_web_prototype<Bindings::HTMLMapElementPrototype>("HTMLMapElement"));
+    set_prototype(&window().cached_web_prototype("HTMLMapElement"));
 }
 
 HTMLMapElement::~HTMLMapElement() = default;
diff --git a/Userland/Libraries/LibWeb/HTML/HTMLMarqueeElement.cpp b/Userland/Libraries/LibWeb/HTML/HTMLMarqueeElement.cpp
index 9c9bebbb465..496e5912054 100644
--- a/Userland/Libraries/LibWeb/HTML/HTMLMarqueeElement.cpp
+++ b/Userland/Libraries/LibWeb/HTML/HTMLMarqueeElement.cpp
@@ -4,7 +4,6 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
-#include <LibWeb/Bindings/HTMLMarqueeElementPrototype.h>
 #include <LibWeb/HTML/HTMLMarqueeElement.h>
 #include <LibWeb/HTML/Window.h>
 
@@ -13,7 +12,7 @@ namespace Web::HTML {
 HTMLMarqueeElement::HTMLMarqueeElement(DOM::Document& document, DOM::QualifiedName qualified_name)
     : HTMLElement(document, move(qualified_name))
 {
-    set_prototype(&window().ensure_web_prototype<Bindings::HTMLMarqueeElementPrototype>("HTMLMarqueeElement"));
+    set_prototype(&window().cached_web_prototype("HTMLMarqueeElement"));
 }
 
 HTMLMarqueeElement::~HTMLMarqueeElement() = default;
diff --git a/Userland/Libraries/LibWeb/HTML/HTMLMediaElement.cpp b/Userland/Libraries/LibWeb/HTML/HTMLMediaElement.cpp
index 2d53b2e716b..793510c5d47 100644
--- a/Userland/Libraries/LibWeb/HTML/HTMLMediaElement.cpp
+++ b/Userland/Libraries/LibWeb/HTML/HTMLMediaElement.cpp
@@ -13,7 +13,7 @@ namespace Web::HTML {
 HTMLMediaElement::HTMLMediaElement(DOM::Document& document, DOM::QualifiedName qualified_name)
     : HTMLElement(document, move(qualified_name))
 {
-    set_prototype(&window().ensure_web_prototype<Bindings::HTMLMediaElementPrototype>("HTMLMediaElement"));
+    set_prototype(&window().cached_web_prototype("HTMLMediaElement"));
 }
 
 HTMLMediaElement::~HTMLMediaElement() = default;
diff --git a/Userland/Libraries/LibWeb/HTML/HTMLMenuElement.cpp b/Userland/Libraries/LibWeb/HTML/HTMLMenuElement.cpp
index 65528d30785..01aa6c3c7ab 100644
--- a/Userland/Libraries/LibWeb/HTML/HTMLMenuElement.cpp
+++ b/Userland/Libraries/LibWeb/HTML/HTMLMenuElement.cpp
@@ -4,7 +4,6 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
-#include <LibWeb/Bindings/HTMLMenuElementPrototype.h>
 #include <LibWeb/HTML/HTMLMenuElement.h>
 #include <LibWeb/HTML/Window.h>
 
@@ -13,7 +12,7 @@ namespace Web::HTML {
 HTMLMenuElement::HTMLMenuElement(DOM::Document& document, DOM::QualifiedName qualified_name)
     : HTMLElement(document, move(qualified_name))
 {
-    set_prototype(&window().ensure_web_prototype<Bindings::HTMLMenuElementPrototype>("HTMLMenuElement"));
+    set_prototype(&window().cached_web_prototype("HTMLMenuElement"));
 }
 
 HTMLMenuElement::~HTMLMenuElement() = default;
diff --git a/Userland/Libraries/LibWeb/HTML/HTMLMetaElement.cpp b/Userland/Libraries/LibWeb/HTML/HTMLMetaElement.cpp
index 66eaf3cc03b..b263fd28d92 100644
--- a/Userland/Libraries/LibWeb/HTML/HTMLMetaElement.cpp
+++ b/Userland/Libraries/LibWeb/HTML/HTMLMetaElement.cpp
@@ -4,7 +4,6 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
-#include <LibWeb/Bindings/HTMLMetaElementPrototype.h>
 #include <LibWeb/HTML/HTMLMetaElement.h>
 #include <LibWeb/HTML/Window.h>
 
@@ -13,7 +12,7 @@ namespace Web::HTML {
 HTMLMetaElement::HTMLMetaElement(DOM::Document& document, DOM::QualifiedName qualified_name)
     : HTMLElement(document, move(qualified_name))
 {
-    set_prototype(&window().ensure_web_prototype<Bindings::HTMLMetaElementPrototype>("HTMLMetaElement"));
+    set_prototype(&window().cached_web_prototype("HTMLMetaElement"));
 }
 
 HTMLMetaElement::~HTMLMetaElement() = default;
diff --git a/Userland/Libraries/LibWeb/HTML/HTMLMeterElement.cpp b/Userland/Libraries/LibWeb/HTML/HTMLMeterElement.cpp
index 6d33d2e4141..7938a3e7980 100644
--- a/Userland/Libraries/LibWeb/HTML/HTMLMeterElement.cpp
+++ b/Userland/Libraries/LibWeb/HTML/HTMLMeterElement.cpp
@@ -4,7 +4,6 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
-#include <LibWeb/Bindings/HTMLMeterElementPrototype.h>
 #include <LibWeb/HTML/HTMLMeterElement.h>
 #include <LibWeb/HTML/Window.h>
 
@@ -13,7 +12,7 @@ namespace Web::HTML {
 HTMLMeterElement::HTMLMeterElement(DOM::Document& document, DOM::QualifiedName qualified_name)
     : HTMLElement(document, move(qualified_name))
 {
-    set_prototype(&window().ensure_web_prototype<Bindings::HTMLMeterElementPrototype>("HTMLMeterElement"));
+    set_prototype(&window().cached_web_prototype("HTMLMeterElement"));
 }
 
 HTMLMeterElement::~HTMLMeterElement() = default;
diff --git a/Userland/Libraries/LibWeb/HTML/HTMLModElement.cpp b/Userland/Libraries/LibWeb/HTML/HTMLModElement.cpp
index b4d7325868f..e510e47e326 100644
--- a/Userland/Libraries/LibWeb/HTML/HTMLModElement.cpp
+++ b/Userland/Libraries/LibWeb/HTML/HTMLModElement.cpp
@@ -4,7 +4,6 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
-#include <LibWeb/Bindings/HTMLModElementPrototype.h>
 #include <LibWeb/HTML/HTMLModElement.h>
 #include <LibWeb/HTML/Window.h>
 
@@ -13,7 +12,7 @@ namespace Web::HTML {
 HTMLModElement::HTMLModElement(DOM::Document& document, DOM::QualifiedName qualified_name)
     : HTMLElement(document, move(qualified_name))
 {
-    set_prototype(&window().ensure_web_prototype<Bindings::HTMLModElementPrototype>("HTMLModElement"));
+    set_prototype(&window().cached_web_prototype("HTMLModElement"));
 }
 
 HTMLModElement::~HTMLModElement() = default;
diff --git a/Userland/Libraries/LibWeb/HTML/HTMLOListElement.cpp b/Userland/Libraries/LibWeb/HTML/HTMLOListElement.cpp
index a397c00a574..7a02c49eadf 100644
--- a/Userland/Libraries/LibWeb/HTML/HTMLOListElement.cpp
+++ b/Userland/Libraries/LibWeb/HTML/HTMLOListElement.cpp
@@ -4,7 +4,6 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
-#include <LibWeb/Bindings/HTMLOListElementPrototype.h>
 #include <LibWeb/HTML/HTMLOListElement.h>
 #include <LibWeb/HTML/Window.h>
 
@@ -13,7 +12,7 @@ namespace Web::HTML {
 HTMLOListElement::HTMLOListElement(DOM::Document& document, DOM::QualifiedName qualified_name)
     : HTMLElement(document, move(qualified_name))
 {
-    set_prototype(&window().ensure_web_prototype<Bindings::HTMLOListElementPrototype>("HTMLOListElement"));
+    set_prototype(&window().cached_web_prototype("HTMLOListElement"));
 }
 
 HTMLOListElement::~HTMLOListElement() = default;
diff --git a/Userland/Libraries/LibWeb/HTML/HTMLObjectElement.cpp b/Userland/Libraries/LibWeb/HTML/HTMLObjectElement.cpp
index 678a058256b..42133c30db3 100644
--- a/Userland/Libraries/LibWeb/HTML/HTMLObjectElement.cpp
+++ b/Userland/Libraries/LibWeb/HTML/HTMLObjectElement.cpp
@@ -5,7 +5,6 @@
  */
 
 #include <LibGfx/Bitmap.h>
-#include <LibWeb/Bindings/HTMLObjectElementPrototype.h>
 #include <LibWeb/CSS/StyleComputer.h>
 #include <LibWeb/DOM/Document.h>
 #include <LibWeb/DOM/Event.h>
@@ -20,7 +19,7 @@ namespace Web::HTML {
 HTMLObjectElement::HTMLObjectElement(DOM::Document& document, DOM::QualifiedName qualified_name)
     : BrowsingContextContainer(document, move(qualified_name))
 {
-    set_prototype(&window().ensure_web_prototype<Bindings::HTMLObjectElementPrototype>("HTMLObjectElement"));
+    set_prototype(&window().cached_web_prototype("HTMLObjectElement"));
 }
 
 HTMLObjectElement::~HTMLObjectElement() = default;
diff --git a/Userland/Libraries/LibWeb/HTML/HTMLOptGroupElement.cpp b/Userland/Libraries/LibWeb/HTML/HTMLOptGroupElement.cpp
index 2460f1fe253..97a61dd588e 100644
--- a/Userland/Libraries/LibWeb/HTML/HTMLOptGroupElement.cpp
+++ b/Userland/Libraries/LibWeb/HTML/HTMLOptGroupElement.cpp
@@ -4,7 +4,6 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
-#include <LibWeb/Bindings/HTMLOptGroupElementPrototype.h>
 #include <LibWeb/HTML/HTMLOptGroupElement.h>
 #include <LibWeb/HTML/Window.h>
 
@@ -13,7 +12,7 @@ namespace Web::HTML {
 HTMLOptGroupElement::HTMLOptGroupElement(DOM::Document& document, DOM::QualifiedName qualified_name)
     : HTMLElement(document, move(qualified_name))
 {
-    set_prototype(&window().ensure_web_prototype<Bindings::HTMLOptGroupElementPrototype>("HTMLOptGroupElement"));
+    set_prototype(&window().cached_web_prototype("HTMLOptGroupElement"));
 }
 
 HTMLOptGroupElement::~HTMLOptGroupElement() = default;
diff --git a/Userland/Libraries/LibWeb/HTML/HTMLOptionElement.cpp b/Userland/Libraries/LibWeb/HTML/HTMLOptionElement.cpp
index 06c27df4b9c..2c9ffd95949 100644
--- a/Userland/Libraries/LibWeb/HTML/HTMLOptionElement.cpp
+++ b/Userland/Libraries/LibWeb/HTML/HTMLOptionElement.cpp
@@ -6,7 +6,6 @@
  */
 
 #include <AK/StringBuilder.h>
-#include <LibWeb/Bindings/HTMLOptionElementPrototype.h>
 #include <LibWeb/DOM/Node.h>
 #include <LibWeb/DOM/Text.h>
 #include <LibWeb/HTML/HTMLOptionElement.h>
@@ -20,7 +19,7 @@ namespace Web::HTML {
 HTMLOptionElement::HTMLOptionElement(DOM::Document& document, DOM::QualifiedName qualified_name)
     : HTMLElement(document, move(qualified_name))
 {
-    set_prototype(&window().ensure_web_prototype<Bindings::HTMLOptionElementPrototype>("HTMLOptionElement"));
+    set_prototype(&window().cached_web_prototype("HTMLOptionElement"));
 }
 
 HTMLOptionElement::~HTMLOptionElement() = default;
diff --git a/Userland/Libraries/LibWeb/HTML/HTMLOptionsCollection.cpp b/Userland/Libraries/LibWeb/HTML/HTMLOptionsCollection.cpp
index 1763ad2c58b..dc1a8109ccd 100644
--- a/Userland/Libraries/LibWeb/HTML/HTMLOptionsCollection.cpp
+++ b/Userland/Libraries/LibWeb/HTML/HTMLOptionsCollection.cpp
@@ -4,7 +4,6 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
-#include <LibWeb/Bindings/HTMLOptionsCollectionPrototype.h>
 #include <LibWeb/DOM/DOMException.h>
 #include <LibWeb/HTML/HTMLOptGroupElement.h>
 #include <LibWeb/HTML/HTMLOptionElement.h>
@@ -22,7 +21,7 @@ JS::NonnullGCPtr<HTMLOptionsCollection> HTMLOptionsCollection::create(DOM::Paren
 HTMLOptionsCollection::HTMLOptionsCollection(DOM::ParentNode& root, Function<bool(DOM::Element const&)> filter)
     : DOM::HTMLCollection(root, move(filter))
 {
-    set_prototype(&root.window().ensure_web_prototype<Bindings::HTMLOptionsCollectionPrototype>("HTMLOptionsCollection"));
+    set_prototype(&root.window().cached_web_prototype("HTMLOptionsCollection"));
 }
 
 HTMLOptionsCollection::~HTMLOptionsCollection() = default;
diff --git a/Userland/Libraries/LibWeb/HTML/HTMLOutputElement.cpp b/Userland/Libraries/LibWeb/HTML/HTMLOutputElement.cpp
index b5f8f5d07de..08b9fbedeea 100644
--- a/Userland/Libraries/LibWeb/HTML/HTMLOutputElement.cpp
+++ b/Userland/Libraries/LibWeb/HTML/HTMLOutputElement.cpp
@@ -4,7 +4,6 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
-#include <LibWeb/Bindings/HTMLOutputElementPrototype.h>
 #include <LibWeb/HTML/HTMLOutputElement.h>
 #include <LibWeb/HTML/Window.h>
 
@@ -13,7 +12,7 @@ namespace Web::HTML {
 HTMLOutputElement::HTMLOutputElement(DOM::Document& document, DOM::QualifiedName qualified_name)
     : HTMLElement(document, move(qualified_name))
 {
-    set_prototype(&window().ensure_web_prototype<Bindings::HTMLOutputElementPrototype>("HTMLOutputElement"));
+    set_prototype(&window().cached_web_prototype("HTMLOutputElement"));
 }
 
 HTMLOutputElement::~HTMLOutputElement() = default;
diff --git a/Userland/Libraries/LibWeb/HTML/HTMLParagraphElement.cpp b/Userland/Libraries/LibWeb/HTML/HTMLParagraphElement.cpp
index b8dabd218ab..0311b98bfda 100644
--- a/Userland/Libraries/LibWeb/HTML/HTMLParagraphElement.cpp
+++ b/Userland/Libraries/LibWeb/HTML/HTMLParagraphElement.cpp
@@ -4,7 +4,6 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
-#include <LibWeb/Bindings/HTMLParagraphElementPrototype.h>
 #include <LibWeb/HTML/HTMLParagraphElement.h>
 #include <LibWeb/HTML/Window.h>
 
@@ -13,7 +12,7 @@ namespace Web::HTML {
 HTMLParagraphElement::HTMLParagraphElement(DOM::Document& document, DOM::QualifiedName qualified_name)
     : HTMLElement(document, move(qualified_name))
 {
-    set_prototype(&window().ensure_web_prototype<Bindings::HTMLParagraphElementPrototype>("HTMLParagraphElement"));
+    set_prototype(&window().cached_web_prototype("HTMLParagraphElement"));
 }
 
 HTMLParagraphElement::~HTMLParagraphElement() = default;
diff --git a/Userland/Libraries/LibWeb/HTML/HTMLParamElement.cpp b/Userland/Libraries/LibWeb/HTML/HTMLParamElement.cpp
index 9e41a5f4024..1698471a13e 100644
--- a/Userland/Libraries/LibWeb/HTML/HTMLParamElement.cpp
+++ b/Userland/Libraries/LibWeb/HTML/HTMLParamElement.cpp
@@ -4,7 +4,6 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
-#include <LibWeb/Bindings/HTMLParamElementPrototype.h>
 #include <LibWeb/HTML/HTMLParamElement.h>
 #include <LibWeb/HTML/Window.h>
 
@@ -13,7 +12,7 @@ namespace Web::HTML {
 HTMLParamElement::HTMLParamElement(DOM::Document& document, DOM::QualifiedName qualified_name)
     : HTMLElement(document, move(qualified_name))
 {
-    set_prototype(&window().ensure_web_prototype<Bindings::HTMLParamElementPrototype>("HTMLParamElement"));
+    set_prototype(&window().cached_web_prototype("HTMLParamElement"));
 }
 
 HTMLParamElement::~HTMLParamElement() = default;
diff --git a/Userland/Libraries/LibWeb/HTML/HTMLPictureElement.cpp b/Userland/Libraries/LibWeb/HTML/HTMLPictureElement.cpp
index 6dcd14db66c..0f21efb14aa 100644
--- a/Userland/Libraries/LibWeb/HTML/HTMLPictureElement.cpp
+++ b/Userland/Libraries/LibWeb/HTML/HTMLPictureElement.cpp
@@ -4,7 +4,6 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
-#include <LibWeb/Bindings/HTMLPictureElementPrototype.h>
 #include <LibWeb/HTML/HTMLPictureElement.h>
 #include <LibWeb/HTML/Window.h>
 
@@ -13,7 +12,7 @@ namespace Web::HTML {
 HTMLPictureElement::HTMLPictureElement(DOM::Document& document, DOM::QualifiedName qualified_name)
     : HTMLElement(document, move(qualified_name))
 {
-    set_prototype(&window().ensure_web_prototype<Bindings::HTMLPictureElementPrototype>("HTMLPictureElement"));
+    set_prototype(&window().cached_web_prototype("HTMLPictureElement"));
 }
 
 HTMLPictureElement::~HTMLPictureElement() = default;
diff --git a/Userland/Libraries/LibWeb/HTML/HTMLPreElement.cpp b/Userland/Libraries/LibWeb/HTML/HTMLPreElement.cpp
index 400e9978aba..8461ebeea88 100644
--- a/Userland/Libraries/LibWeb/HTML/HTMLPreElement.cpp
+++ b/Userland/Libraries/LibWeb/HTML/HTMLPreElement.cpp
@@ -4,7 +4,6 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
-#include <LibWeb/Bindings/HTMLPreElementPrototype.h>
 #include <LibWeb/HTML/HTMLPreElement.h>
 #include <LibWeb/HTML/Window.h>
 
@@ -13,7 +12,7 @@ namespace Web::HTML {
 HTMLPreElement::HTMLPreElement(DOM::Document& document, DOM::QualifiedName qualified_name)
     : HTMLElement(document, move(qualified_name))
 {
-    set_prototype(&window().ensure_web_prototype<Bindings::HTMLPreElementPrototype>("HTMLPreElement"));
+    set_prototype(&window().cached_web_prototype("HTMLPreElement"));
 }
 
 HTMLPreElement::~HTMLPreElement() = default;
diff --git a/Userland/Libraries/LibWeb/HTML/HTMLProgressElement.cpp b/Userland/Libraries/LibWeb/HTML/HTMLProgressElement.cpp
index d3e8bcd5008..cc31d8e0d59 100644
--- a/Userland/Libraries/LibWeb/HTML/HTMLProgressElement.cpp
+++ b/Userland/Libraries/LibWeb/HTML/HTMLProgressElement.cpp
@@ -5,7 +5,6 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
-#include <LibWeb/Bindings/HTMLProgressElementPrototype.h>
 #include <LibWeb/DOM/Document.h>
 #include <LibWeb/DOM/ShadowRoot.h>
 #include <LibWeb/HTML/HTMLProgressElement.h>
@@ -19,7 +18,7 @@ namespace Web::HTML {
 HTMLProgressElement::HTMLProgressElement(DOM::Document& document, DOM::QualifiedName qualified_name)
     : HTMLElement(document, move(qualified_name))
 {
-    set_prototype(&window().ensure_web_prototype<Bindings::HTMLProgressElementPrototype>("HTMLProgressElement"));
+    set_prototype(&window().cached_web_prototype("HTMLProgressElement"));
 }
 
 HTMLProgressElement::~HTMLProgressElement() = default;
diff --git a/Userland/Libraries/LibWeb/HTML/HTMLQuoteElement.cpp b/Userland/Libraries/LibWeb/HTML/HTMLQuoteElement.cpp
index daed2603af6..fdeae0a18ef 100644
--- a/Userland/Libraries/LibWeb/HTML/HTMLQuoteElement.cpp
+++ b/Userland/Libraries/LibWeb/HTML/HTMLQuoteElement.cpp
@@ -4,7 +4,6 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
-#include <LibWeb/Bindings/HTMLQuoteElementPrototype.h>
 #include <LibWeb/HTML/HTMLQuoteElement.h>
 #include <LibWeb/HTML/Window.h>
 
@@ -13,7 +12,7 @@ namespace Web::HTML {
 HTMLQuoteElement::HTMLQuoteElement(DOM::Document& document, DOM::QualifiedName qualified_name)
     : HTMLElement(document, move(qualified_name))
 {
-    set_prototype(&window().ensure_web_prototype<Bindings::HTMLQuoteElementPrototype>("HTMLQuoteElement"));
+    set_prototype(&window().cached_web_prototype("HTMLQuoteElement"));
 }
 
 HTMLQuoteElement::~HTMLQuoteElement() = default;
diff --git a/Userland/Libraries/LibWeb/HTML/HTMLScriptElement.cpp b/Userland/Libraries/LibWeb/HTML/HTMLScriptElement.cpp
index 3b6f000e0f7..8f1775d522b 100644
--- a/Userland/Libraries/LibWeb/HTML/HTMLScriptElement.cpp
+++ b/Userland/Libraries/LibWeb/HTML/HTMLScriptElement.cpp
@@ -7,7 +7,6 @@
 #include <AK/Debug.h>
 #include <AK/StringBuilder.h>
 #include <LibTextCodec/Decoder.h>
-#include <LibWeb/Bindings/HTMLScriptElementPrototype.h>
 #include <LibWeb/DOM/Document.h>
 #include <LibWeb/DOM/Event.h>
 #include <LibWeb/DOM/ShadowRoot.h>
@@ -23,7 +22,7 @@ namespace Web::HTML {
 HTMLScriptElement::HTMLScriptElement(DOM::Document& document, DOM::QualifiedName qualified_name)
     : HTMLElement(document, move(qualified_name))
 {
-    set_prototype(&window().ensure_web_prototype<Bindings::HTMLScriptElementPrototype>("HTMLScriptElement"));
+    set_prototype(&window().cached_web_prototype("HTMLScriptElement"));
 }
 
 HTMLScriptElement::~HTMLScriptElement() = default;
diff --git a/Userland/Libraries/LibWeb/HTML/HTMLSelectElement.cpp b/Userland/Libraries/LibWeb/HTML/HTMLSelectElement.cpp
index 3aacee7155f..534e75225d6 100644
--- a/Userland/Libraries/LibWeb/HTML/HTMLSelectElement.cpp
+++ b/Userland/Libraries/LibWeb/HTML/HTMLSelectElement.cpp
@@ -5,7 +5,6 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
-#include <LibWeb/Bindings/HTMLSelectElementPrototype.h>
 #include <LibWeb/HTML/HTMLFormElement.h>
 #include <LibWeb/HTML/HTMLOptGroupElement.h>
 #include <LibWeb/HTML/HTMLOptionElement.h>
@@ -17,7 +16,7 @@ namespace Web::HTML {
 HTMLSelectElement::HTMLSelectElement(DOM::Document& document, DOM::QualifiedName qualified_name)
     : HTMLElement(document, move(qualified_name))
 {
-    set_prototype(&window().ensure_web_prototype<Bindings::HTMLSelectElementPrototype>("HTMLSelectElement"));
+    set_prototype(&window().cached_web_prototype("HTMLSelectElement"));
 }
 
 HTMLSelectElement::~HTMLSelectElement() = default;
diff --git a/Userland/Libraries/LibWeb/HTML/HTMLSlotElement.cpp b/Userland/Libraries/LibWeb/HTML/HTMLSlotElement.cpp
index 36d316516c3..5964546ddf9 100644
--- a/Userland/Libraries/LibWeb/HTML/HTMLSlotElement.cpp
+++ b/Userland/Libraries/LibWeb/HTML/HTMLSlotElement.cpp
@@ -4,7 +4,6 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
-#include <LibWeb/Bindings/HTMLSlotElementPrototype.h>
 #include <LibWeb/HTML/HTMLSlotElement.h>
 #include <LibWeb/HTML/Window.h>
 
@@ -13,7 +12,7 @@ namespace Web::HTML {
 HTMLSlotElement::HTMLSlotElement(DOM::Document& document, DOM::QualifiedName qualified_name)
     : HTMLElement(document, move(qualified_name))
 {
-    set_prototype(&window().ensure_web_prototype<Bindings::HTMLSlotElementPrototype>("HTMLSlotElement"));
+    set_prototype(&window().cached_web_prototype("HTMLSlotElement"));
 }
 
 HTMLSlotElement::~HTMLSlotElement() = default;
diff --git a/Userland/Libraries/LibWeb/HTML/HTMLSourceElement.cpp b/Userland/Libraries/LibWeb/HTML/HTMLSourceElement.cpp
index 38c3172e567..4e22808d5fb 100644
--- a/Userland/Libraries/LibWeb/HTML/HTMLSourceElement.cpp
+++ b/Userland/Libraries/LibWeb/HTML/HTMLSourceElement.cpp
@@ -4,7 +4,6 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
-#include <LibWeb/Bindings/HTMLSourceElementPrototype.h>
 #include <LibWeb/HTML/HTMLSourceElement.h>
 #include <LibWeb/HTML/Window.h>
 
@@ -13,7 +12,7 @@ namespace Web::HTML {
 HTMLSourceElement::HTMLSourceElement(DOM::Document& document, DOM::QualifiedName qualified_name)
     : HTMLElement(document, move(qualified_name))
 {
-    set_prototype(&window().ensure_web_prototype<Bindings::HTMLSourceElementPrototype>("HTMLSourceElement"));
+    set_prototype(&window().cached_web_prototype("HTMLSourceElement"));
 }
 
 HTMLSourceElement::~HTMLSourceElement() = default;
diff --git a/Userland/Libraries/LibWeb/HTML/HTMLSpanElement.cpp b/Userland/Libraries/LibWeb/HTML/HTMLSpanElement.cpp
index 8f3c0177f46..31881bb054f 100644
--- a/Userland/Libraries/LibWeb/HTML/HTMLSpanElement.cpp
+++ b/Userland/Libraries/LibWeb/HTML/HTMLSpanElement.cpp
@@ -4,7 +4,6 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
-#include <LibWeb/Bindings/HTMLSpanElementPrototype.h>
 #include <LibWeb/HTML/HTMLSpanElement.h>
 #include <LibWeb/HTML/Window.h>
 
@@ -13,7 +12,7 @@ namespace Web::HTML {
 HTMLSpanElement::HTMLSpanElement(DOM::Document& document, DOM::QualifiedName qualified_name)
     : HTMLElement(document, move(qualified_name))
 {
-    set_prototype(&window().ensure_web_prototype<Bindings::HTMLSpanElementPrototype>("HTMLSpanElement"));
+    set_prototype(&window().cached_web_prototype("HTMLSpanElement"));
 }
 
 HTMLSpanElement::~HTMLSpanElement() = default;
diff --git a/Userland/Libraries/LibWeb/HTML/HTMLStyleElement.cpp b/Userland/Libraries/LibWeb/HTML/HTMLStyleElement.cpp
index 1013e8b2bf9..f59055aa3fe 100644
--- a/Userland/Libraries/LibWeb/HTML/HTMLStyleElement.cpp
+++ b/Userland/Libraries/LibWeb/HTML/HTMLStyleElement.cpp
@@ -5,7 +5,6 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
-#include <LibWeb/Bindings/HTMLStyleElementPrototype.h>
 #include <LibWeb/CSS/Parser/Parser.h>
 #include <LibWeb/DOM/Document.h>
 #include <LibWeb/HTML/HTMLStyleElement.h>
@@ -15,7 +14,7 @@ namespace Web::HTML {
 HTMLStyleElement::HTMLStyleElement(DOM::Document& document, DOM::QualifiedName qualified_name)
     : HTMLElement(document, move(qualified_name))
 {
-    set_prototype(&window().ensure_web_prototype<Bindings::HTMLStyleElementPrototype>("HTMLStyleElement"));
+    set_prototype(&window().cached_web_prototype("HTMLStyleElement"));
 }
 
 HTMLStyleElement::~HTMLStyleElement() = default;
diff --git a/Userland/Libraries/LibWeb/HTML/HTMLTableCaptionElement.cpp b/Userland/Libraries/LibWeb/HTML/HTMLTableCaptionElement.cpp
index 27b7a0d80d9..ef1bf755fbe 100644
--- a/Userland/Libraries/LibWeb/HTML/HTMLTableCaptionElement.cpp
+++ b/Userland/Libraries/LibWeb/HTML/HTMLTableCaptionElement.cpp
@@ -4,7 +4,6 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
-#include <LibWeb/Bindings/HTMLTableCaptionElementPrototype.h>
 #include <LibWeb/HTML/HTMLTableCaptionElement.h>
 #include <LibWeb/HTML/Window.h>
 
@@ -13,7 +12,7 @@ namespace Web::HTML {
 HTMLTableCaptionElement::HTMLTableCaptionElement(DOM::Document& document, DOM::QualifiedName qualified_name)
     : HTMLElement(document, move(qualified_name))
 {
-    set_prototype(&window().ensure_web_prototype<Bindings::HTMLTableCaptionElementPrototype>("HTMLTableCaptionElement"));
+    set_prototype(&window().cached_web_prototype("HTMLTableCaptionElement"));
 }
 
 HTMLTableCaptionElement::~HTMLTableCaptionElement() = default;
diff --git a/Userland/Libraries/LibWeb/HTML/HTMLTableCellElement.cpp b/Userland/Libraries/LibWeb/HTML/HTMLTableCellElement.cpp
index 9f97fa75409..845496c96d5 100644
--- a/Userland/Libraries/LibWeb/HTML/HTMLTableCellElement.cpp
+++ b/Userland/Libraries/LibWeb/HTML/HTMLTableCellElement.cpp
@@ -4,7 +4,6 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
-#include <LibWeb/Bindings/HTMLTableCellElementPrototype.h>
 #include <LibWeb/CSS/Parser/Parser.h>
 #include <LibWeb/HTML/HTMLTableCellElement.h>
 #include <LibWeb/HTML/Parser/HTMLParser.h>
@@ -15,7 +14,7 @@ namespace Web::HTML {
 HTMLTableCellElement::HTMLTableCellElement(DOM::Document& document, DOM::QualifiedName qualified_name)
     : HTMLElement(document, move(qualified_name))
 {
-    set_prototype(&window().ensure_web_prototype<Bindings::HTMLTableCellElementPrototype>("HTMLTableCellElement"));
+    set_prototype(&window().cached_web_prototype("HTMLTableCellElement"));
 }
 
 HTMLTableCellElement::~HTMLTableCellElement() = default;
diff --git a/Userland/Libraries/LibWeb/HTML/HTMLTableColElement.cpp b/Userland/Libraries/LibWeb/HTML/HTMLTableColElement.cpp
index f48bbbb9bca..b1d5c8585d3 100644
--- a/Userland/Libraries/LibWeb/HTML/HTMLTableColElement.cpp
+++ b/Userland/Libraries/LibWeb/HTML/HTMLTableColElement.cpp
@@ -4,7 +4,6 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
-#include <LibWeb/Bindings/HTMLTableColElementPrototype.h>
 #include <LibWeb/HTML/HTMLTableColElement.h>
 #include <LibWeb/HTML/Window.h>
 
@@ -13,7 +12,7 @@ namespace Web::HTML {
 HTMLTableColElement::HTMLTableColElement(DOM::Document& document, DOM::QualifiedName qualified_name)
     : HTMLElement(document, move(qualified_name))
 {
-    set_prototype(&window().ensure_web_prototype<Bindings::HTMLTableColElementPrototype>("HTMLTableColElement"));
+    set_prototype(&window().cached_web_prototype("HTMLTableColElement"));
 }
 
 HTMLTableColElement::~HTMLTableColElement() = default;
diff --git a/Userland/Libraries/LibWeb/HTML/HTMLTableElement.cpp b/Userland/Libraries/LibWeb/HTML/HTMLTableElement.cpp
index 6bc0ee1faee..8e9566e0ddf 100644
--- a/Userland/Libraries/LibWeb/HTML/HTMLTableElement.cpp
+++ b/Userland/Libraries/LibWeb/HTML/HTMLTableElement.cpp
@@ -5,7 +5,6 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
-#include <LibWeb/Bindings/HTMLTableElementPrototype.h>
 #include <LibWeb/CSS/Parser/Parser.h>
 #include <LibWeb/DOM/ElementFactory.h>
 #include <LibWeb/DOM/HTMLCollection.h>
@@ -21,7 +20,7 @@ namespace Web::HTML {
 HTMLTableElement::HTMLTableElement(DOM::Document& document, DOM::QualifiedName qualified_name)
     : HTMLElement(document, move(qualified_name))
 {
-    set_prototype(&window().ensure_web_prototype<Bindings::HTMLTableElementPrototype>("HTMLTableElement"));
+    set_prototype(&window().cached_web_prototype("HTMLTableElement"));
 }
 
 HTMLTableElement::~HTMLTableElement() = default;
diff --git a/Userland/Libraries/LibWeb/HTML/HTMLTableRowElement.cpp b/Userland/Libraries/LibWeb/HTML/HTMLTableRowElement.cpp
index 0a2012de0ce..c26307bbaf1 100644
--- a/Userland/Libraries/LibWeb/HTML/HTMLTableRowElement.cpp
+++ b/Userland/Libraries/LibWeb/HTML/HTMLTableRowElement.cpp
@@ -4,7 +4,6 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
-#include <LibWeb/Bindings/HTMLTableRowElementPrototype.h>
 #include <LibWeb/DOM/HTMLCollection.h>
 #include <LibWeb/HTML/HTMLTableCellElement.h>
 #include <LibWeb/HTML/HTMLTableElement.h>
@@ -17,7 +16,7 @@ namespace Web::HTML {
 HTMLTableRowElement::HTMLTableRowElement(DOM::Document& document, DOM::QualifiedName qualified_name)
     : HTMLElement(document, move(qualified_name))
 {
-    set_prototype(&window().ensure_web_prototype<Bindings::HTMLTableRowElementPrototype>("HTMLTableRowElement"));
+    set_prototype(&window().cached_web_prototype("HTMLTableRowElement"));
 }
 
 HTMLTableRowElement::~HTMLTableRowElement() = default;
diff --git a/Userland/Libraries/LibWeb/HTML/HTMLTableSectionElement.cpp b/Userland/Libraries/LibWeb/HTML/HTMLTableSectionElement.cpp
index cc227cae63b..a4aa6212370 100644
--- a/Userland/Libraries/LibWeb/HTML/HTMLTableSectionElement.cpp
+++ b/Userland/Libraries/LibWeb/HTML/HTMLTableSectionElement.cpp
@@ -5,7 +5,6 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
-#include <LibWeb/Bindings/HTMLTableSectionElementPrototype.h>
 #include <LibWeb/DOM/ElementFactory.h>
 #include <LibWeb/DOM/HTMLCollection.h>
 #include <LibWeb/HTML/HTMLTableRowElement.h>
@@ -18,7 +17,7 @@ namespace Web::HTML {
 HTMLTableSectionElement::HTMLTableSectionElement(DOM::Document& document, DOM::QualifiedName qualified_name)
     : HTMLElement(document, move(qualified_name))
 {
-    set_prototype(&window().ensure_web_prototype<Bindings::HTMLTableSectionElementPrototype>("HTMLTableSectionElement"));
+    set_prototype(&window().cached_web_prototype("HTMLTableSectionElement"));
 }
 
 HTMLTableSectionElement::~HTMLTableSectionElement() = default;
diff --git a/Userland/Libraries/LibWeb/HTML/HTMLTemplateElement.cpp b/Userland/Libraries/LibWeb/HTML/HTMLTemplateElement.cpp
index b32e5a8dd93..9dd5b927e0a 100644
--- a/Userland/Libraries/LibWeb/HTML/HTMLTemplateElement.cpp
+++ b/Userland/Libraries/LibWeb/HTML/HTMLTemplateElement.cpp
@@ -4,7 +4,6 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
-#include <LibWeb/Bindings/HTMLTemplateElementPrototype.h>
 #include <LibWeb/Bindings/MainThreadVM.h>
 #include <LibWeb/DOM/Document.h>
 #include <LibWeb/HTML/HTMLTemplateElement.h>
@@ -14,7 +13,7 @@ namespace Web::HTML {
 HTMLTemplateElement::HTMLTemplateElement(DOM::Document& document, DOM::QualifiedName qualified_name)
     : HTMLElement(document, move(qualified_name))
 {
-    set_prototype(&window().ensure_web_prototype<Bindings::HTMLTemplateElementPrototype>("HTMLTemplateElement"));
+    set_prototype(&window().cached_web_prototype("HTMLTemplateElement"));
 
     m_content = heap().allocate<DOM::DocumentFragment>(realm(), appropriate_template_contents_owner_document(document));
     m_content->set_host(this);
diff --git a/Userland/Libraries/LibWeb/HTML/HTMLTextAreaElement.cpp b/Userland/Libraries/LibWeb/HTML/HTMLTextAreaElement.cpp
index 70ea1f21d09..6988607f00c 100644
--- a/Userland/Libraries/LibWeb/HTML/HTMLTextAreaElement.cpp
+++ b/Userland/Libraries/LibWeb/HTML/HTMLTextAreaElement.cpp
@@ -4,7 +4,6 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
-#include <LibWeb/Bindings/HTMLTextAreaElementPrototype.h>
 #include <LibWeb/HTML/HTMLTextAreaElement.h>
 #include <LibWeb/HTML/Window.h>
 
@@ -13,7 +12,7 @@ namespace Web::HTML {
 HTMLTextAreaElement::HTMLTextAreaElement(DOM::Document& document, DOM::QualifiedName qualified_name)
     : HTMLElement(document, move(qualified_name))
 {
-    set_prototype(&window().ensure_web_prototype<Bindings::HTMLTextAreaElementPrototype>("HTMLTextAreaElement"));
+    set_prototype(&window().cached_web_prototype("HTMLTextAreaElement"));
 }
 
 HTMLTextAreaElement::~HTMLTextAreaElement() = default;
diff --git a/Userland/Libraries/LibWeb/HTML/HTMLTimeElement.cpp b/Userland/Libraries/LibWeb/HTML/HTMLTimeElement.cpp
index 94647997409..9c6061be896 100644
--- a/Userland/Libraries/LibWeb/HTML/HTMLTimeElement.cpp
+++ b/Userland/Libraries/LibWeb/HTML/HTMLTimeElement.cpp
@@ -4,7 +4,6 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
-#include <LibWeb/Bindings/HTMLTextAreaElementPrototype.h>
 #include <LibWeb/HTML/HTMLTimeElement.h>
 #include <LibWeb/HTML/Window.h>
 
@@ -13,7 +12,7 @@ namespace Web::HTML {
 HTMLTimeElement::HTMLTimeElement(DOM::Document& document, DOM::QualifiedName qualified_name)
     : HTMLElement(document, move(qualified_name))
 {
-    set_prototype(&window().ensure_web_prototype<Bindings::HTMLTextAreaElementPrototype>("HTMLTextAreaElement"));
+    set_prototype(&window().cached_web_prototype("HTMLTimeElement"));
 }
 
 HTMLTimeElement::~HTMLTimeElement() = default;
diff --git a/Userland/Libraries/LibWeb/HTML/HTMLTitleElement.cpp b/Userland/Libraries/LibWeb/HTML/HTMLTitleElement.cpp
index e5568632788..f6c75ec1fb6 100644
--- a/Userland/Libraries/LibWeb/HTML/HTMLTitleElement.cpp
+++ b/Userland/Libraries/LibWeb/HTML/HTMLTitleElement.cpp
@@ -4,7 +4,6 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
-#include <LibWeb/Bindings/HTMLTitleElementPrototype.h>
 #include <LibWeb/DOM/Document.h>
 #include <LibWeb/HTML/HTMLTitleElement.h>
 #include <LibWeb/Page/Page.h>
@@ -14,7 +13,7 @@ namespace Web::HTML {
 HTMLTitleElement::HTMLTitleElement(DOM::Document& document, DOM::QualifiedName qualified_name)
     : HTMLElement(document, move(qualified_name))
 {
-    set_prototype(&window().ensure_web_prototype<Bindings::HTMLTitleElementPrototype>("HTMLTitleElement"));
+    set_prototype(&window().cached_web_prototype("HTMLTitleElement"));
 }
 
 HTMLTitleElement::~HTMLTitleElement() = default;
diff --git a/Userland/Libraries/LibWeb/HTML/HTMLTrackElement.cpp b/Userland/Libraries/LibWeb/HTML/HTMLTrackElement.cpp
index eadfacaf69c..78e3394c514 100644
--- a/Userland/Libraries/LibWeb/HTML/HTMLTrackElement.cpp
+++ b/Userland/Libraries/LibWeb/HTML/HTMLTrackElement.cpp
@@ -4,7 +4,6 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
-#include <LibWeb/Bindings/HTMLTrackElementPrototype.h>
 #include <LibWeb/HTML/HTMLTrackElement.h>
 #include <LibWeb/HTML/Window.h>
 
@@ -13,7 +12,7 @@ namespace Web::HTML {
 HTMLTrackElement::HTMLTrackElement(DOM::Document& document, DOM::QualifiedName qualified_name)
     : HTMLElement(document, move(qualified_name))
 {
-    set_prototype(&window().ensure_web_prototype<Bindings::HTMLTrackElementPrototype>("HTMLTrackElement"));
+    set_prototype(&window().cached_web_prototype("HTMLTrackElement"));
 }
 
 HTMLTrackElement::~HTMLTrackElement() = default;
diff --git a/Userland/Libraries/LibWeb/HTML/HTMLUListElement.cpp b/Userland/Libraries/LibWeb/HTML/HTMLUListElement.cpp
index 71eb3820a96..89164939edc 100644
--- a/Userland/Libraries/LibWeb/HTML/HTMLUListElement.cpp
+++ b/Userland/Libraries/LibWeb/HTML/HTMLUListElement.cpp
@@ -4,7 +4,6 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
-#include <LibWeb/Bindings/HTMLUListElementPrototype.h>
 #include <LibWeb/HTML/HTMLUListElement.h>
 #include <LibWeb/HTML/Window.h>
 
@@ -13,7 +12,7 @@ namespace Web::HTML {
 HTMLUListElement::HTMLUListElement(DOM::Document& document, DOM::QualifiedName qualified_name)
     : HTMLElement(document, move(qualified_name))
 {
-    set_prototype(&window().ensure_web_prototype<Bindings::HTMLUListElementPrototype>("HTMLUListElement"));
+    set_prototype(&window().cached_web_prototype("HTMLUListElement"));
 }
 
 HTMLUListElement::~HTMLUListElement() = default;
diff --git a/Userland/Libraries/LibWeb/HTML/HTMLUnknownElement.cpp b/Userland/Libraries/LibWeb/HTML/HTMLUnknownElement.cpp
index b5df91ad7dd..1f07432f311 100644
--- a/Userland/Libraries/LibWeb/HTML/HTMLUnknownElement.cpp
+++ b/Userland/Libraries/LibWeb/HTML/HTMLUnknownElement.cpp
@@ -4,7 +4,6 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
-#include <LibWeb/Bindings/HTMLUnknownElementPrototype.h>
 #include <LibWeb/HTML/HTMLUnknownElement.h>
 #include <LibWeb/HTML/Window.h>
 
@@ -13,7 +12,7 @@ namespace Web::HTML {
 HTMLUnknownElement::HTMLUnknownElement(DOM::Document& document, DOM::QualifiedName qualified_name)
     : HTMLElement(document, move(qualified_name))
 {
-    set_prototype(&window().ensure_web_prototype<Bindings::HTMLUnknownElementPrototype>("HTMLUnknownElement"));
+    set_prototype(&window().cached_web_prototype("HTMLUnknownElement"));
 }
 
 HTMLUnknownElement::~HTMLUnknownElement() = default;
diff --git a/Userland/Libraries/LibWeb/HTML/HTMLVideoElement.cpp b/Userland/Libraries/LibWeb/HTML/HTMLVideoElement.cpp
index 76b3941e27b..beb9feb413a 100644
--- a/Userland/Libraries/LibWeb/HTML/HTMLVideoElement.cpp
+++ b/Userland/Libraries/LibWeb/HTML/HTMLVideoElement.cpp
@@ -4,7 +4,6 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
-#include <LibWeb/Bindings/HTMLVideoElementPrototype.h>
 #include <LibWeb/HTML/HTMLVideoElement.h>
 #include <LibWeb/HTML/Window.h>
 
@@ -13,7 +12,7 @@ namespace Web::HTML {
 HTMLVideoElement::HTMLVideoElement(DOM::Document& document, DOM::QualifiedName qualified_name)
     : HTMLMediaElement(document, move(qualified_name))
 {
-    set_prototype(&window().ensure_web_prototype<Bindings::HTMLVideoElementPrototype>("HTMLVideoElement"));
+    set_prototype(&window().cached_web_prototype("HTMLVideoElement"));
 }
 
 HTMLVideoElement::~HTMLVideoElement() = default;
diff --git a/Userland/Libraries/LibWeb/HTML/History.cpp b/Userland/Libraries/LibWeb/HTML/History.cpp
index 52f4d0908b6..4dce0e22ad5 100644
--- a/Userland/Libraries/LibWeb/HTML/History.cpp
+++ b/Userland/Libraries/LibWeb/HTML/History.cpp
@@ -4,7 +4,6 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
-#include <LibWeb/Bindings/HistoryPrototype.h>
 #include <LibWeb/DOM/Document.h>
 #include <LibWeb/HTML/History.h>
 
@@ -19,7 +18,7 @@ History::History(HTML::Window& window, DOM::Document& document)
     : PlatformObject(window.realm())
     , m_associated_document(document)
 {
-    set_prototype(&window.ensure_web_prototype<Bindings::HistoryPrototype>("History"));
+    set_prototype(&window.cached_web_prototype("History"));
 }
 
 History::~History() = default;
diff --git a/Userland/Libraries/LibWeb/HTML/ImageData.cpp b/Userland/Libraries/LibWeb/HTML/ImageData.cpp
index e70c40b18a4..4cff7f58138 100644
--- a/Userland/Libraries/LibWeb/HTML/ImageData.cpp
+++ b/Userland/Libraries/LibWeb/HTML/ImageData.cpp
@@ -6,7 +6,6 @@
 
 #include <LibGfx/Bitmap.h>
 #include <LibJS/Runtime/TypedArray.h>
-#include <LibWeb/Bindings/ImageDataPrototype.h>
 #include <LibWeb/HTML/ImageData.h>
 #include <LibWeb/HTML/Window.h>
 
@@ -38,7 +37,7 @@ ImageData::ImageData(HTML::Window& window, NonnullRefPtr<Gfx::Bitmap> bitmap, JS
     , m_bitmap(move(bitmap))
     , m_data(move(data))
 {
-    set_prototype(&window.ensure_web_prototype<Bindings::ImageDataPrototype>("ImageData"));
+    set_prototype(&window.cached_web_prototype("ImageData"));
 }
 
 ImageData::~ImageData() = default;
diff --git a/Userland/Libraries/LibWeb/HTML/MessageChannel.cpp b/Userland/Libraries/LibWeb/HTML/MessageChannel.cpp
index 378256f46a9..767c515b45e 100644
--- a/Userland/Libraries/LibWeb/HTML/MessageChannel.cpp
+++ b/Userland/Libraries/LibWeb/HTML/MessageChannel.cpp
@@ -4,7 +4,6 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
-#include <LibWeb/Bindings/MessageChannelPrototype.h>
 #include <LibWeb/DOM/Document.h>
 #include <LibWeb/HTML/MessageChannel.h>
 #include <LibWeb/HTML/MessagePort.h>
@@ -20,7 +19,7 @@ JS::NonnullGCPtr<MessageChannel> MessageChannel::create_with_global_object(HTML:
 MessageChannel::MessageChannel(HTML::Window& window)
     : PlatformObject(window.realm())
 {
-    set_prototype(&window.ensure_web_prototype<Bindings::MessageChannelPrototype>("MessageChannel"));
+    set_prototype(&window.cached_web_prototype("MessageChannel"));
 
     // 1. Set this's port 1 to a new MessagePort in this's relevant Realm.
     m_port1 = MessagePort::create(window);
diff --git a/Userland/Libraries/LibWeb/HTML/MessageEvent.cpp b/Userland/Libraries/LibWeb/HTML/MessageEvent.cpp
index b993d22a66c..98eb672e82f 100644
--- a/Userland/Libraries/LibWeb/HTML/MessageEvent.cpp
+++ b/Userland/Libraries/LibWeb/HTML/MessageEvent.cpp
@@ -4,7 +4,6 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
-#include <LibWeb/Bindings/MessageEventPrototype.h>
 #include <LibWeb/HTML/MessageEvent.h>
 #include <LibWeb/HTML/Window.h>
 
@@ -26,7 +25,7 @@ MessageEvent::MessageEvent(HTML::Window& window_object, FlyString const& event_n
     , m_origin(event_init.origin)
     , m_last_event_id(event_init.last_event_id)
 {
-    set_prototype(&window_object.ensure_web_prototype<Bindings::MessageEventPrototype>("MessageEvent"));
+    set_prototype(&window_object.cached_web_prototype("MessageEvent"));
 }
 
 MessageEvent::~MessageEvent() = default;
diff --git a/Userland/Libraries/LibWeb/HTML/MessagePort.cpp b/Userland/Libraries/LibWeb/HTML/MessagePort.cpp
index 9e4bb941010..aa92b46dedb 100644
--- a/Userland/Libraries/LibWeb/HTML/MessagePort.cpp
+++ b/Userland/Libraries/LibWeb/HTML/MessagePort.cpp
@@ -4,7 +4,6 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
-#include <LibWeb/Bindings/MessagePortPrototype.h>
 #include <LibWeb/DOM/EventDispatcher.h>
 #include <LibWeb/HTML/EventHandler.h>
 #include <LibWeb/HTML/EventLoop/EventLoop.h>
@@ -22,7 +21,7 @@ JS::NonnullGCPtr<MessagePort> MessagePort::create(HTML::Window& window)
 MessagePort::MessagePort(HTML::Window& window)
     : DOM::EventTarget(window.realm())
 {
-    set_prototype(&window.ensure_web_prototype<Bindings::MessagePortPrototype>("MessagePort"));
+    set_prototype(&window.cached_web_prototype("MessagePort"));
 }
 
 MessagePort::~MessagePort() = default;
diff --git a/Userland/Libraries/LibWeb/HTML/PageTransitionEvent.cpp b/Userland/Libraries/LibWeb/HTML/PageTransitionEvent.cpp
index 450be24913c..d2d62270356 100644
--- a/Userland/Libraries/LibWeb/HTML/PageTransitionEvent.cpp
+++ b/Userland/Libraries/LibWeb/HTML/PageTransitionEvent.cpp
@@ -4,7 +4,6 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
-#include <LibWeb/Bindings/PageTransitionEventPrototype.h>
 #include <LibWeb/HTML/PageTransitionEvent.h>
 #include <LibWeb/HTML/Window.h>
 
@@ -24,7 +23,7 @@ PageTransitionEvent::PageTransitionEvent(HTML::Window& window_object, FlyString
     : DOM::Event(window_object, event_name, event_init)
     , m_persisted(event_init.persisted)
 {
-    set_prototype(&window_object.ensure_web_prototype<Bindings::PageTransitionEventPrototype>("PageTransitionEvent"));
+    set_prototype(&window_object.cached_web_prototype("PageTransitionEvent"));
 }
 
 PageTransitionEvent::~PageTransitionEvent() = default;
diff --git a/Userland/Libraries/LibWeb/HTML/Path2D.cpp b/Userland/Libraries/LibWeb/HTML/Path2D.cpp
index 165d04f7a92..69ac6e18714 100644
--- a/Userland/Libraries/LibWeb/HTML/Path2D.cpp
+++ b/Userland/Libraries/LibWeb/HTML/Path2D.cpp
@@ -4,7 +4,6 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
-#include <LibWeb/Bindings/Path2DPrototype.h>
 #include <LibWeb/HTML/Path2D.h>
 #include <LibWeb/HTML/Window.h>
 
@@ -19,7 +18,7 @@ JS::NonnullGCPtr<Path2D> Path2D::create_with_global_object(HTML::Window& window,
 Path2D::Path2D(HTML::Window& window, Optional<Variant<JS::Handle<Path2D>, String>> const& path)
     : PlatformObject(window.realm())
 {
-    set_prototype(&window.ensure_web_prototype<Bindings::Path2DPrototype>("Path2D"));
+    set_prototype(&window.cached_web_prototype("Path2D"));
 
     // 1. Let output be a new Path2D object.
     // 2. If path is not given, then return output.
diff --git a/Userland/Libraries/LibWeb/HTML/PromiseRejectionEvent.cpp b/Userland/Libraries/LibWeb/HTML/PromiseRejectionEvent.cpp
index a7b246fa067..e4654a0fc12 100644
--- a/Userland/Libraries/LibWeb/HTML/PromiseRejectionEvent.cpp
+++ b/Userland/Libraries/LibWeb/HTML/PromiseRejectionEvent.cpp
@@ -4,7 +4,6 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
-#include <LibWeb/Bindings/PromiseRejectionEventPrototype.h>
 #include <LibWeb/HTML/PromiseRejectionEvent.h>
 #include <LibWeb/HTML/Window.h>
 
@@ -25,7 +24,7 @@ PromiseRejectionEvent::PromiseRejectionEvent(HTML::Window& window_object, FlyStr
     , m_promise(const_cast<JS::Promise*>(event_init.promise.cell()))
     , m_reason(event_init.reason)
 {
-    set_prototype(&window_object.ensure_web_prototype<Bindings::PromiseRejectionEventPrototype>("PromiseRejectionEvent"));
+    set_prototype(&window_object.cached_web_prototype("PromiseRejectionEvent"));
 }
 
 PromiseRejectionEvent::~PromiseRejectionEvent() = default;
diff --git a/Userland/Libraries/LibWeb/HTML/SubmitEvent.cpp b/Userland/Libraries/LibWeb/HTML/SubmitEvent.cpp
index 2aa2c2650a5..684e4763413 100644
--- a/Userland/Libraries/LibWeb/HTML/SubmitEvent.cpp
+++ b/Userland/Libraries/LibWeb/HTML/SubmitEvent.cpp
@@ -4,7 +4,6 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
-#include <LibWeb/Bindings/SubmitEventPrototype.h>
 #include <LibWeb/HTML/SubmitEvent.h>
 #include <LibWeb/HTML/Window.h>
 
@@ -24,7 +23,7 @@ SubmitEvent::SubmitEvent(HTML::Window& window_object, FlyString const& event_nam
     : DOM::Event(window_object, event_name, event_init)
     , m_submitter(event_init.submitter)
 {
-    set_prototype(&window_object.ensure_web_prototype<Bindings::SubmitEventPrototype>("SubmitEvent"));
+    set_prototype(&window_object.cached_web_prototype("SubmitEvent"));
 }
 
 SubmitEvent::~SubmitEvent() = default;
diff --git a/Userland/Libraries/LibWeb/HTML/TextMetrics.cpp b/Userland/Libraries/LibWeb/HTML/TextMetrics.cpp
index 289ede7bba6..16327dfc3f1 100644
--- a/Userland/Libraries/LibWeb/HTML/TextMetrics.cpp
+++ b/Userland/Libraries/LibWeb/HTML/TextMetrics.cpp
@@ -4,7 +4,6 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
-#include <LibWeb/Bindings/TextMetricsPrototype.h>
 #include <LibWeb/HTML/TextMetrics.h>
 #include <LibWeb/HTML/Window.h>
 
@@ -18,7 +17,7 @@ JS::NonnullGCPtr<TextMetrics> TextMetrics::create(HTML::Window& window)
 TextMetrics::TextMetrics(HTML::Window& window)
     : PlatformObject(window.realm())
 {
-    set_prototype(&window.ensure_web_prototype<Bindings::TextMetricsPrototype>("TextMetrics"));
+    set_prototype(&window.cached_web_prototype("TextMetrics"));
 }
 
 TextMetrics::~TextMetrics() = default;
diff --git a/Userland/Libraries/LibWeb/HTML/Worker.cpp b/Userland/Libraries/LibWeb/HTML/Worker.cpp
index ef6e1c66f97..8051bd63326 100644
--- a/Userland/Libraries/LibWeb/HTML/Worker.cpp
+++ b/Userland/Libraries/LibWeb/HTML/Worker.cpp
@@ -8,7 +8,6 @@
 #include <LibJS/Runtime/ConsoleObject.h>
 #include <LibJS/Runtime/Realm.h>
 #include <LibWeb/Bindings/MainThreadVM.h>
-#include <LibWeb/Bindings/WorkerPrototype.h>
 #include <LibWeb/DOM/ExceptionOr.h>
 #include <LibWeb/HTML/Scripting/Environments.h>
 #include <LibWeb/HTML/Worker.h>
@@ -28,7 +27,7 @@ Worker::Worker(FlyString const& script_url, WorkerOptions const options, DOM::Do
     , m_interpreter_scope(*m_interpreter)
     , m_implicit_port(MessagePort::create(document.window()))
 {
-    set_prototype(&document.window().ensure_web_prototype<Bindings::WorkerPrototype>("Worker"));
+    set_prototype(&document.window().cached_web_prototype("Worker"));
 }
 
 void Worker::visit_edges(Cell::Visitor& visitor)
diff --git a/Userland/Libraries/LibWeb/HighResolutionTime/Performance.cpp b/Userland/Libraries/LibWeb/HighResolutionTime/Performance.cpp
index f35a6addc98..84c8ac48e3a 100644
--- a/Userland/Libraries/LibWeb/HighResolutionTime/Performance.cpp
+++ b/Userland/Libraries/LibWeb/HighResolutionTime/Performance.cpp
@@ -4,7 +4,6 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
-#include <LibWeb/Bindings/PerformancePrototype.h>
 #include <LibWeb/DOM/Document.h>
 #include <LibWeb/DOM/Event.h>
 #include <LibWeb/DOM/EventDispatcher.h>
@@ -18,7 +17,7 @@ Performance::Performance(HTML::Window& window)
     : DOM::EventTarget(window.realm())
     , m_window(window)
 {
-    set_prototype(&window.ensure_web_prototype<Bindings::PerformancePrototype>("Performance"));
+    set_prototype(&window.cached_web_prototype("Performance"));
     m_timer.start();
 }
 
diff --git a/Userland/Libraries/LibWeb/SVG/SVGAnimatedLength.cpp b/Userland/Libraries/LibWeb/SVG/SVGAnimatedLength.cpp
index 87ac513cb4f..36417552896 100644
--- a/Userland/Libraries/LibWeb/SVG/SVGAnimatedLength.cpp
+++ b/Userland/Libraries/LibWeb/SVG/SVGAnimatedLength.cpp
@@ -4,7 +4,6 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
-#include <LibWeb/Bindings/SVGAnimatedLengthPrototype.h>
 #include <LibWeb/HTML/Window.h>
 #include <LibWeb/SVG/SVGAnimatedLength.h>
 
@@ -20,7 +19,7 @@ SVGAnimatedLength::SVGAnimatedLength(HTML::Window& window, JS::NonnullGCPtr<SVGL
     , m_base_val(move(base_val))
     , m_anim_val(move(anim_val))
 {
-    set_prototype(&window.ensure_web_prototype<Bindings::SVGAnimatedLengthPrototype>("SVGAnimatedLength"));
+    set_prototype(&window.cached_web_prototype("SVGAnimatedLength"));
 
     // The object referenced by animVal will always be distinct from the one referenced by baseVal, even when the attribute is not animated.
     VERIFY(m_base_val.ptr() != m_anim_val.ptr());
diff --git a/Userland/Libraries/LibWeb/SVG/SVGCircleElement.cpp b/Userland/Libraries/LibWeb/SVG/SVGCircleElement.cpp
index b77779a53b1..9f49512c2b0 100644
--- a/Userland/Libraries/LibWeb/SVG/SVGCircleElement.cpp
+++ b/Userland/Libraries/LibWeb/SVG/SVGCircleElement.cpp
@@ -4,7 +4,6 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
-#include <LibWeb/Bindings/SVGCircleElementPrototype.h>
 #include <LibWeb/HTML/Window.h>
 #include <LibWeb/SVG/AttributeNames.h>
 #include <LibWeb/SVG/AttributeParser.h>
@@ -15,7 +14,7 @@ namespace Web::SVG {
 SVGCircleElement::SVGCircleElement(DOM::Document& document, DOM::QualifiedName qualified_name)
     : SVGGeometryElement(document, qualified_name)
 {
-    set_prototype(&window().ensure_web_prototype<Bindings::SVGCircleElementPrototype>("SVGCircleElement"));
+    set_prototype(&window().cached_web_prototype("SVGCircleElement"));
 }
 
 void SVGCircleElement::parse_attribute(FlyString const& name, String const& value)
diff --git a/Userland/Libraries/LibWeb/SVG/SVGClipPathElement.cpp b/Userland/Libraries/LibWeb/SVG/SVGClipPathElement.cpp
index 0fd56590092..d83755c2599 100644
--- a/Userland/Libraries/LibWeb/SVG/SVGClipPathElement.cpp
+++ b/Userland/Libraries/LibWeb/SVG/SVGClipPathElement.cpp
@@ -4,7 +4,6 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
-#include <LibWeb/Bindings/SVGClipPathElementPrototype.h>
 #include <LibWeb/HTML/Window.h>
 #include <LibWeb/SVG/SVGClipPathElement.h>
 
@@ -13,7 +12,7 @@ namespace Web::SVG {
 SVGClipPathElement::SVGClipPathElement(DOM::Document& document, DOM::QualifiedName qualified_name)
     : SVGElement(document, move(qualified_name))
 {
-    set_prototype(&window().ensure_web_prototype<Bindings::SVGClipPathElementPrototype>("SVGClipPathElement"));
+    set_prototype(&window().cached_web_prototype("SVGClipPathElement"));
 }
 
 SVGClipPathElement::~SVGClipPathElement()
diff --git a/Userland/Libraries/LibWeb/SVG/SVGDefsElement.cpp b/Userland/Libraries/LibWeb/SVG/SVGDefsElement.cpp
index 9787a68df81..882084e5e8c 100644
--- a/Userland/Libraries/LibWeb/SVG/SVGDefsElement.cpp
+++ b/Userland/Libraries/LibWeb/SVG/SVGDefsElement.cpp
@@ -4,7 +4,6 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
-#include <LibWeb/Bindings/SVGDefsElementPrototype.h>
 #include <LibWeb/HTML/Window.h>
 #include <LibWeb/SVG/SVGDefsElement.h>
 
@@ -13,7 +12,7 @@ namespace Web::SVG {
 SVGDefsElement::SVGDefsElement(DOM::Document& document, DOM::QualifiedName qualified_name)
     : SVGGraphicsElement(document, move(qualified_name))
 {
-    set_prototype(&window().ensure_web_prototype<Bindings::SVGDefsElementPrototype>("SVGDefsElement"));
+    set_prototype(&window().cached_web_prototype("SVGDefsElement"));
 }
 
 SVGDefsElement::~SVGDefsElement()
diff --git a/Userland/Libraries/LibWeb/SVG/SVGElement.cpp b/Userland/Libraries/LibWeb/SVG/SVGElement.cpp
index e4dac180cca..328d9e6a7fe 100644
--- a/Userland/Libraries/LibWeb/SVG/SVGElement.cpp
+++ b/Userland/Libraries/LibWeb/SVG/SVGElement.cpp
@@ -4,7 +4,6 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
-#include <LibWeb/Bindings/SVGElementPrototype.h>
 #include <LibWeb/HTML/Window.h>
 #include <LibWeb/SVG/SVGElement.h>
 
@@ -14,7 +13,7 @@ SVGElement::SVGElement(DOM::Document& document, DOM::QualifiedName qualified_nam
     : Element(document, move(qualified_name))
     , m_dataset(HTML::DOMStringMap::create(*this))
 {
-    set_prototype(&window().ensure_web_prototype<Bindings::SVGElementPrototype>("SVGElement"));
+    set_prototype(&window().cached_web_prototype("SVGElement"));
 }
 
 void SVGElement::visit_edges(Cell::Visitor& visitor)
diff --git a/Userland/Libraries/LibWeb/SVG/SVGEllipseElement.cpp b/Userland/Libraries/LibWeb/SVG/SVGEllipseElement.cpp
index dc9bbd2b2fd..83eead0c8fe 100644
--- a/Userland/Libraries/LibWeb/SVG/SVGEllipseElement.cpp
+++ b/Userland/Libraries/LibWeb/SVG/SVGEllipseElement.cpp
@@ -4,7 +4,6 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
-#include <LibWeb/Bindings/SVGEllipseElementPrototype.h>
 #include <LibWeb/HTML/Window.h>
 #include <LibWeb/SVG/AttributeNames.h>
 #include <LibWeb/SVG/AttributeParser.h>
@@ -15,7 +14,7 @@ namespace Web::SVG {
 SVGEllipseElement::SVGEllipseElement(DOM::Document& document, DOM::QualifiedName qualified_name)
     : SVGGeometryElement(document, qualified_name)
 {
-    set_prototype(&window().ensure_web_prototype<Bindings::SVGEllipseElementPrototype>("SVGEllipseElement"));
+    set_prototype(&window().cached_web_prototype("SVGEllipseElement"));
 }
 
 void SVGEllipseElement::parse_attribute(FlyString const& name, String const& value)
diff --git a/Userland/Libraries/LibWeb/SVG/SVGGeometryElement.cpp b/Userland/Libraries/LibWeb/SVG/SVGGeometryElement.cpp
index 51292000f5a..1fe2677c435 100644
--- a/Userland/Libraries/LibWeb/SVG/SVGGeometryElement.cpp
+++ b/Userland/Libraries/LibWeb/SVG/SVGGeometryElement.cpp
@@ -4,7 +4,6 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
-#include <LibWeb/Bindings/SVGGeometryElementPrototype.h>
 #include <LibWeb/HTML/Window.h>
 #include <LibWeb/Layout/SVGGeometryBox.h>
 #include <LibWeb/SVG/SVGGeometryElement.h>
@@ -14,7 +13,7 @@ namespace Web::SVG {
 SVGGeometryElement::SVGGeometryElement(DOM::Document& document, DOM::QualifiedName qualified_name)
     : SVGGraphicsElement(document, move(qualified_name))
 {
-    set_prototype(&window().ensure_web_prototype<Bindings::SVGGeometryElementPrototype>("SVGGeometryElement"));
+    set_prototype(&window().cached_web_prototype("SVGGeometryElement"));
 }
 
 RefPtr<Layout::Node> SVGGeometryElement::create_layout_node(NonnullRefPtr<CSS::StyleProperties> style)
diff --git a/Userland/Libraries/LibWeb/SVG/SVGGraphicsElement.cpp b/Userland/Libraries/LibWeb/SVG/SVGGraphicsElement.cpp
index fc938c062ad..68234dc4cb6 100644
--- a/Userland/Libraries/LibWeb/SVG/SVGGraphicsElement.cpp
+++ b/Userland/Libraries/LibWeb/SVG/SVGGraphicsElement.cpp
@@ -5,7 +5,6 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
-#include <LibWeb/Bindings/SVGGraphicsElementPrototype.h>
 #include <LibWeb/CSS/Parser/Parser.h>
 #include <LibWeb/HTML/Window.h>
 #include <LibWeb/Layout/Node.h>
@@ -17,7 +16,7 @@ namespace Web::SVG {
 SVGGraphicsElement::SVGGraphicsElement(DOM::Document& document, DOM::QualifiedName qualified_name)
     : SVGElement(document, move(qualified_name))
 {
-    set_prototype(&window().ensure_web_prototype<Bindings::SVGGraphicsElementPrototype>("SVGGraphicsElement"));
+    set_prototype(&window().cached_web_prototype("SVGGraphicsElement"));
 }
 
 void SVGGraphicsElement::apply_presentational_hints(CSS::StyleProperties& style) const
diff --git a/Userland/Libraries/LibWeb/SVG/SVGLength.cpp b/Userland/Libraries/LibWeb/SVG/SVGLength.cpp
index 912feee65b5..b84073c281d 100644
--- a/Userland/Libraries/LibWeb/SVG/SVGLength.cpp
+++ b/Userland/Libraries/LibWeb/SVG/SVGLength.cpp
@@ -4,7 +4,6 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
-#include <LibWeb/Bindings/SVGLengthPrototype.h>
 #include <LibWeb/HTML/Window.h>
 #include <LibWeb/SVG/SVGLength.h>
 
@@ -20,7 +19,7 @@ SVGLength::SVGLength(HTML::Window& window, u8 unit_type, float value)
     , m_unit_type(unit_type)
     , m_value(value)
 {
-    set_prototype(&window.ensure_web_prototype<Bindings::SVGLengthPrototype>("SVGLength"));
+    set_prototype(&window.cached_web_prototype("SVGLength"));
 }
 
 SVGLength::~SVGLength() = default;
diff --git a/Userland/Libraries/LibWeb/SVG/SVGLineElement.cpp b/Userland/Libraries/LibWeb/SVG/SVGLineElement.cpp
index c02ce0f6b96..c165cd31eff 100644
--- a/Userland/Libraries/LibWeb/SVG/SVGLineElement.cpp
+++ b/Userland/Libraries/LibWeb/SVG/SVGLineElement.cpp
@@ -4,7 +4,6 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
-#include <LibWeb/Bindings/SVGLineElementPrototype.h>
 #include <LibWeb/HTML/Window.h>
 #include <LibWeb/SVG/AttributeNames.h>
 #include <LibWeb/SVG/AttributeParser.h>
@@ -15,7 +14,7 @@ namespace Web::SVG {
 SVGLineElement::SVGLineElement(DOM::Document& document, DOM::QualifiedName qualified_name)
     : SVGGeometryElement(document, qualified_name)
 {
-    set_prototype(&window().ensure_web_prototype<Bindings::SVGLineElementPrototype>("SVGLineElement"));
+    set_prototype(&window().cached_web_prototype("SVGLineElement"));
 }
 
 void SVGLineElement::parse_attribute(FlyString const& name, String const& value)
diff --git a/Userland/Libraries/LibWeb/SVG/SVGPathElement.cpp b/Userland/Libraries/LibWeb/SVG/SVGPathElement.cpp
index 48867f7e8cb..78fec142517 100644
--- a/Userland/Libraries/LibWeb/SVG/SVGPathElement.cpp
+++ b/Userland/Libraries/LibWeb/SVG/SVGPathElement.cpp
@@ -8,7 +8,6 @@
 #include <AK/ExtraMathConstants.h>
 #include <LibGfx/Painter.h>
 #include <LibGfx/Path.h>
-#include <LibWeb/Bindings/SVGPathElementPrototype.h>
 #include <LibWeb/DOM/Document.h>
 #include <LibWeb/DOM/Event.h>
 #include <LibWeb/Layout/SVGGeometryBox.h>
@@ -87,7 +86,7 @@ namespace Web::SVG {
 SVGPathElement::SVGPathElement(DOM::Document& document, DOM::QualifiedName qualified_name)
     : SVGGeometryElement(document, move(qualified_name))
 {
-    set_prototype(&window().ensure_web_prototype<Bindings::SVGPathElementPrototype>("SVGPathElement"));
+    set_prototype(&window().cached_web_prototype("SVGPathElement"));
 }
 
 void SVGPathElement::parse_attribute(FlyString const& name, String const& value)
diff --git a/Userland/Libraries/LibWeb/SVG/SVGPolygonElement.cpp b/Userland/Libraries/LibWeb/SVG/SVGPolygonElement.cpp
index a38fc7240a1..00d2644b6d0 100644
--- a/Userland/Libraries/LibWeb/SVG/SVGPolygonElement.cpp
+++ b/Userland/Libraries/LibWeb/SVG/SVGPolygonElement.cpp
@@ -4,7 +4,6 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
-#include <LibWeb/Bindings/SVGPolygonElementPrototype.h>
 #include <LibWeb/HTML/Window.h>
 #include <LibWeb/SVG/AttributeNames.h>
 #include <LibWeb/SVG/AttributeParser.h>
@@ -15,7 +14,7 @@ namespace Web::SVG {
 SVGPolygonElement::SVGPolygonElement(DOM::Document& document, DOM::QualifiedName qualified_name)
     : SVGGeometryElement(document, qualified_name)
 {
-    set_prototype(&window().ensure_web_prototype<Bindings::SVGPolygonElementPrototype>("SVGPolygonElement"));
+    set_prototype(&window().cached_web_prototype("SVGPolygonElement"));
 }
 
 void SVGPolygonElement::parse_attribute(FlyString const& name, String const& value)
diff --git a/Userland/Libraries/LibWeb/SVG/SVGPolylineElement.cpp b/Userland/Libraries/LibWeb/SVG/SVGPolylineElement.cpp
index 0b43e1b1184..38ff8c81c9b 100644
--- a/Userland/Libraries/LibWeb/SVG/SVGPolylineElement.cpp
+++ b/Userland/Libraries/LibWeb/SVG/SVGPolylineElement.cpp
@@ -4,7 +4,6 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
-#include <LibWeb/Bindings/SVGPolylineElementPrototype.h>
 #include <LibWeb/HTML/Window.h>
 #include <LibWeb/SVG/AttributeNames.h>
 #include <LibWeb/SVG/AttributeParser.h>
@@ -15,7 +14,7 @@ namespace Web::SVG {
 SVGPolylineElement::SVGPolylineElement(DOM::Document& document, DOM::QualifiedName qualified_name)
     : SVGGeometryElement(document, qualified_name)
 {
-    set_prototype(&window().ensure_web_prototype<Bindings::SVGPolylineElementPrototype>("SVGPolylineElement"));
+    set_prototype(&window().cached_web_prototype("SVGPolylineElement"));
 }
 
 void SVGPolylineElement::parse_attribute(FlyString const& name, String const& value)
diff --git a/Userland/Libraries/LibWeb/SVG/SVGRectElement.cpp b/Userland/Libraries/LibWeb/SVG/SVGRectElement.cpp
index 357dd578095..d3930d331b2 100644
--- a/Userland/Libraries/LibWeb/SVG/SVGRectElement.cpp
+++ b/Userland/Libraries/LibWeb/SVG/SVGRectElement.cpp
@@ -4,20 +4,19 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
-#include "SVGRectElement.h"
-#include <LibWeb/Bindings/SVGRectElementPrototype.h>
 #include <LibWeb/HTML/Window.h>
 #include <LibWeb/SVG/AttributeNames.h>
 #include <LibWeb/SVG/AttributeParser.h>
 #include <LibWeb/SVG/SVGAnimatedLength.h>
 #include <LibWeb/SVG/SVGLength.h>
+#include <LibWeb/SVG/SVGRectElement.h>
 
 namespace Web::SVG {
 
 SVGRectElement::SVGRectElement(DOM::Document& document, DOM::QualifiedName qualified_name)
     : SVGGeometryElement(document, qualified_name)
 {
-    set_prototype(&window().ensure_web_prototype<Bindings::SVGRectElementPrototype>("SVGRectElement"));
+    set_prototype(&window().cached_web_prototype("SVGRectElement"));
 }
 
 void SVGRectElement::parse_attribute(FlyString const& name, String const& value)
diff --git a/Userland/Libraries/LibWeb/SVG/SVGSVGElement.cpp b/Userland/Libraries/LibWeb/SVG/SVGSVGElement.cpp
index e0d5bd64f29..00574762f1c 100644
--- a/Userland/Libraries/LibWeb/SVG/SVGSVGElement.cpp
+++ b/Userland/Libraries/LibWeb/SVG/SVGSVGElement.cpp
@@ -6,7 +6,6 @@
  */
 
 #include <LibGfx/Painter.h>
-#include <LibWeb/Bindings/SVGSVGElementPrototype.h>
 #include <LibWeb/CSS/Parser/Parser.h>
 #include <LibWeb/CSS/StyleComputer.h>
 #include <LibWeb/DOM/Document.h>
@@ -21,7 +20,7 @@ namespace Web::SVG {
 SVGSVGElement::SVGSVGElement(DOM::Document& document, DOM::QualifiedName qualified_name)
     : SVGGraphicsElement(document, qualified_name)
 {
-    set_prototype(&window().ensure_web_prototype<Bindings::SVGSVGElementPrototype>("SVGSVGElement"));
+    set_prototype(&window().cached_web_prototype("SVGSVGElement"));
 }
 
 RefPtr<Layout::Node> SVGSVGElement::create_layout_node(NonnullRefPtr<CSS::StyleProperties> style)
diff --git a/Userland/Libraries/LibWeb/SVG/SVGTextContentElement.cpp b/Userland/Libraries/LibWeb/SVG/SVGTextContentElement.cpp
index 89eca8deaba..948377ef3f9 100644
--- a/Userland/Libraries/LibWeb/SVG/SVGTextContentElement.cpp
+++ b/Userland/Libraries/LibWeb/SVG/SVGTextContentElement.cpp
@@ -5,7 +5,6 @@
  */
 
 #include <AK/Utf16View.h>
-#include <LibWeb/Bindings/SVGTextContentElementPrototype.h>
 #include <LibWeb/DOM/Document.h>
 #include <LibWeb/SVG/SVGTextContentElement.h>
 
@@ -14,7 +13,7 @@ namespace Web::SVG {
 SVGTextContentElement::SVGTextContentElement(DOM::Document& document, DOM::QualifiedName qualified_name)
     : SVGGraphicsElement(document, move(qualified_name))
 {
-    set_prototype(&window().ensure_web_prototype<Bindings::SVGTextContentElementPrototype>("SVGTextContentElement"));
+    set_prototype(&window().cached_web_prototype("SVGTextContentElement"));
 }
 
 // https://svgwg.org/svg2-draft/text.html#__svg__SVGTextContentElement__getNumberOfChars
diff --git a/Userland/Libraries/LibWeb/UIEvents/FocusEvent.cpp b/Userland/Libraries/LibWeb/UIEvents/FocusEvent.cpp
index 31c1085383d..ac4d321fb3e 100644
--- a/Userland/Libraries/LibWeb/UIEvents/FocusEvent.cpp
+++ b/Userland/Libraries/LibWeb/UIEvents/FocusEvent.cpp
@@ -4,7 +4,6 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
-#include <LibWeb/Bindings/FocusEventPrototype.h>
 #include <LibWeb/HTML/Window.h>
 #include <LibWeb/UIEvents/FocusEvent.h>
 
@@ -18,7 +17,7 @@ FocusEvent* FocusEvent::create_with_global_object(HTML::Window& window_object, F
 FocusEvent::FocusEvent(HTML::Window& window_object, FlyString const& event_name, FocusEventInit const& event_init)
     : UIEvent(window_object, event_name)
 {
-    set_prototype(&window_object.ensure_web_prototype<Bindings::FocusEventPrototype>("FocusEvent"));
+    set_prototype(&window_object.cached_web_prototype("FocusEvent"));
     set_related_target(const_cast<DOM::EventTarget*>(event_init.related_target.ptr()));
 }
 
diff --git a/Userland/Libraries/LibWeb/UIEvents/KeyboardEvent.cpp b/Userland/Libraries/LibWeb/UIEvents/KeyboardEvent.cpp
index 6aceb572231..853a4bd55aa 100644
--- a/Userland/Libraries/LibWeb/UIEvents/KeyboardEvent.cpp
+++ b/Userland/Libraries/LibWeb/UIEvents/KeyboardEvent.cpp
@@ -5,7 +5,6 @@
  */
 
 #include <AK/CharacterTypes.h>
-#include <LibWeb/Bindings/KeyboardEventPrototype.h>
 #include <LibWeb/HTML/Window.h>
 #include <LibWeb/UIEvents/KeyboardEvent.h>
 
@@ -129,7 +128,7 @@ KeyboardEvent::KeyboardEvent(HTML::Window& window_object, FlyString const& event
     , m_key_code(event_init.key_code)
     , m_char_code(event_init.char_code)
 {
-    set_prototype(&window_object.ensure_web_prototype<Bindings::KeyboardEventPrototype>("KeyboardEvent"));
+    set_prototype(&window_object.cached_web_prototype("KeyboardEvent"));
 }
 
 KeyboardEvent::~KeyboardEvent() = default;
diff --git a/Userland/Libraries/LibWeb/UIEvents/MouseEvent.cpp b/Userland/Libraries/LibWeb/UIEvents/MouseEvent.cpp
index 6b09d4947e3..047ff967f8a 100644
--- a/Userland/Libraries/LibWeb/UIEvents/MouseEvent.cpp
+++ b/Userland/Libraries/LibWeb/UIEvents/MouseEvent.cpp
@@ -6,7 +6,6 @@
  */
 
 #include <LibGUI/Event.h>
-#include <LibWeb/Bindings/MouseEventPrototype.h>
 #include <LibWeb/HTML/EventNames.h>
 #include <LibWeb/HTML/Window.h>
 #include <LibWeb/UIEvents/EventNames.h>
@@ -22,7 +21,7 @@ MouseEvent::MouseEvent(HTML::Window& window_object, FlyString const& event_name,
     , m_client_y(event_init.client_y)
     , m_button(event_init.button)
 {
-    set_prototype(&window_object.ensure_web_prototype<Bindings::MouseEventPrototype>("MouseEvent"));
+    set_prototype(&window_object.cached_web_prototype("MouseEvent"));
     set_event_characteristics();
 }
 
diff --git a/Userland/Libraries/LibWeb/UIEvents/UIEvent.cpp b/Userland/Libraries/LibWeb/UIEvents/UIEvent.cpp
index 48f3cb6424f..15ede7319df 100644
--- a/Userland/Libraries/LibWeb/UIEvents/UIEvent.cpp
+++ b/Userland/Libraries/LibWeb/UIEvents/UIEvent.cpp
@@ -4,7 +4,6 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
-#include <LibWeb/Bindings/UIEventPrototype.h>
 #include <LibWeb/HTML/Window.h>
 #include <LibWeb/UIEvents/UIEvent.h>
 
@@ -23,7 +22,7 @@ UIEvent* UIEvent::create_with_global_object(HTML::Window& window_object, FlyStri
 UIEvent::UIEvent(HTML::Window& window_object, FlyString const& event_name)
     : Event(window_object, event_name)
 {
-    set_prototype(&window_object.ensure_web_prototype<Bindings::UIEventPrototype>("UIEvent"));
+    set_prototype(&window_object.cached_web_prototype("UIEvent"));
 }
 
 UIEvent::UIEvent(HTML::Window& window_object, FlyString const& event_name, UIEventInit const& event_init)
@@ -31,7 +30,7 @@ UIEvent::UIEvent(HTML::Window& window_object, FlyString const& event_name, UIEve
     , m_view(event_init.view)
     , m_detail(event_init.detail)
 {
-    set_prototype(&window_object.ensure_web_prototype<Bindings::UIEventPrototype>("UIEvent"));
+    set_prototype(&window_object.cached_web_prototype("UIEvent"));
 }
 
 UIEvent::~UIEvent() = default;
diff --git a/Userland/Libraries/LibWeb/WebGL/WebGLContextEvent.cpp b/Userland/Libraries/LibWeb/WebGL/WebGLContextEvent.cpp
index 78fab5996cb..363bdeeec59 100644
--- a/Userland/Libraries/LibWeb/WebGL/WebGLContextEvent.cpp
+++ b/Userland/Libraries/LibWeb/WebGL/WebGLContextEvent.cpp
@@ -4,7 +4,6 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
-#include <LibWeb/Bindings/WebGLContextEventPrototype.h>
 #include <LibWeb/HTML/Window.h>
 #include <LibWeb/WebGL/WebGLContextEvent.h>
 
@@ -24,7 +23,7 @@ WebGLContextEvent::WebGLContextEvent(HTML::Window& window_object, FlyString cons
     : DOM::Event(window_object, type, event_init)
     , m_status_message(event_init.status_message)
 {
-    set_prototype(&window_object.ensure_web_prototype<Bindings::WebGLContextEventPrototype>("WebGLContextEvent"));
+    set_prototype(&window_object.cached_web_prototype("WebGLContextEvent"));
 }
 
 WebGLContextEvent::~WebGLContextEvent() = default;
diff --git a/Userland/Libraries/LibWeb/WebGL/WebGLRenderingContext.cpp b/Userland/Libraries/LibWeb/WebGL/WebGLRenderingContext.cpp
index 3fea5c92ed9..6cb25310263 100644
--- a/Userland/Libraries/LibWeb/WebGL/WebGLRenderingContext.cpp
+++ b/Userland/Libraries/LibWeb/WebGL/WebGLRenderingContext.cpp
@@ -4,7 +4,6 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
-#include <LibWeb/Bindings/WebGLRenderingContextPrototype.h>
 #include <LibWeb/Bindings/Wrapper.h>
 #include <LibWeb/DOM/Document.h>
 #include <LibWeb/HTML/HTMLCanvasElement.h>
@@ -60,7 +59,7 @@ JS::ThrowCompletionOr<JS::GCPtr<WebGLRenderingContext>> WebGLRenderingContext::c
 WebGLRenderingContext::WebGLRenderingContext(HTML::Window& window, HTML::HTMLCanvasElement& canvas_element, NonnullOwnPtr<GL::GLContext> context, WebGLContextAttributes context_creation_parameters, WebGLContextAttributes actual_context_parameters)
     : WebGLRenderingContextBase(window, canvas_element, move(context), move(context_creation_parameters), move(actual_context_parameters))
 {
-    set_prototype(&window.ensure_web_prototype<Bindings::WebGLRenderingContextPrototype>("WebGLRenderingContext"));
+    set_prototype(&window.cached_web_prototype("WebGLRenderingContext"));
 }
 
 WebGLRenderingContext::~WebGLRenderingContext() = default;
diff --git a/Userland/Libraries/LibWeb/WebSockets/WebSocket.cpp b/Userland/Libraries/LibWeb/WebSockets/WebSocket.cpp
index 69e0ba15487..e8380d71571 100644
--- a/Userland/Libraries/LibWeb/WebSockets/WebSocket.cpp
+++ b/Userland/Libraries/LibWeb/WebSockets/WebSocket.cpp
@@ -8,7 +8,6 @@
 #include <LibJS/Parser.h>
 #include <LibJS/Runtime/ArrayBuffer.h>
 #include <LibJS/Runtime/FunctionObject.h>
-#include <LibWeb/Bindings/WebSocketPrototype.h>
 #include <LibWeb/DOM/DOMException.h>
 #include <LibWeb/DOM/Document.h>
 #include <LibWeb/DOM/Event.h>
@@ -66,7 +65,7 @@ WebSocket::WebSocket(HTML::Window& window, AK::URL& url)
     : EventTarget(window.realm())
     , m_window(window)
 {
-    set_prototype(&window.ensure_web_prototype<Bindings::WebSocketPrototype>("WebSocket"));
+    set_prototype(&window.cached_web_prototype("WebSocket"));
 
     // FIXME: Integrate properly with FETCH as per https://fetch.spec.whatwg.org/#websocket-opening-handshake
     auto origin_string = m_window->associated_document().origin().serialize();
diff --git a/Userland/Libraries/LibWeb/XHR/ProgressEvent.cpp b/Userland/Libraries/LibWeb/XHR/ProgressEvent.cpp
index 7157babd19e..0fc456c430e 100644
--- a/Userland/Libraries/LibWeb/XHR/ProgressEvent.cpp
+++ b/Userland/Libraries/LibWeb/XHR/ProgressEvent.cpp
@@ -4,7 +4,6 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
-#include <LibWeb/Bindings/ProgressEventPrototype.h>
 #include <LibWeb/HTML/Window.h>
 #include <LibWeb/XHR/ProgressEvent.h>
 
@@ -26,7 +25,7 @@ ProgressEvent::ProgressEvent(HTML::Window& window_object, FlyString const& event
     , m_loaded(event_init.loaded)
     , m_total(event_init.total)
 {
-    set_prototype(&window_object.ensure_web_prototype<Bindings::ProgressEventPrototype>("ProgressEvent"));
+    set_prototype(&window_object.cached_web_prototype("ProgressEvent"));
 }
 
 ProgressEvent::~ProgressEvent() = default;
diff --git a/Userland/Libraries/LibWeb/XHR/XMLHttpRequest.cpp b/Userland/Libraries/LibWeb/XHR/XMLHttpRequest.cpp
index a8886eac58f..ef447298c12 100644
--- a/Userland/Libraries/LibWeb/XHR/XMLHttpRequest.cpp
+++ b/Userland/Libraries/LibWeb/XHR/XMLHttpRequest.cpp
@@ -51,7 +51,7 @@ XMLHttpRequest::XMLHttpRequest(HTML::Window& window)
     , m_window(window)
     , m_response_type(Bindings::XMLHttpRequestResponseType::Empty)
 {
-    set_prototype(&window.ensure_web_prototype<Bindings::XMLHttpRequestPrototype>("XMLHttpRequest"));
+    set_prototype(&window.cached_web_prototype("XMLHttpRequest"));
 }
 
 XMLHttpRequest::~XMLHttpRequest() = default;