diff --git a/source/.eslintrc b/source/.eslintrc
index 830e5a6..5c241c4 100644
--- a/source/.eslintrc
+++ b/source/.eslintrc
@@ -1,5 +1,7 @@
 {
 	"extends": [
+		"eslint:recommended",
+		"plugin:@typescript-eslint/recommended",
 		"plugin:react/recommended",
 		"plugin:json/recommended",
 		"prettier"
@@ -12,6 +14,7 @@
 			"version": "17.0"
 		}
 	},
+	"parser": "@typescript-eslint/parser",
 	"parserOptions": {
 		"ecmaFeatures": {
 			"jsx": true
@@ -19,7 +22,16 @@
 		"sourceType": "module"
 	},
 	"plugins": ["react", "@typescript-eslint"],
+	"overrides": [
+		{
+			"files": ["*.ts", "*.tsx"],
+			"rules": {
+				"@typescript-eslint/explicit-module-boundary-types": ["off"]
+			}
+		}
+	],
 	"rules": {
+		"@typescript-eslint/explicit-module-boundary-types": "off",
 		"react/jsx-uses-vars": "error",
 		"react/no-unknown-property": [
 			"error",
diff --git a/source/markdown/blog/death of miracle.md b/source/markdown/blog/death of miracle.md
new file mode 100644
index 0000000..a992be4
--- /dev/null
+++ b/source/markdown/blog/death of miracle.md	
@@ -0,0 +1,8 @@
+---
+title: death of miracle
+author: developomp
+date: May 15, 2021
+---
+
+Understanding things what we once called magic.
+Science.
diff --git a/source/package.json b/source/package.json
index e1bccee..f9fd353 100644
--- a/source/package.json
+++ b/source/package.json
@@ -37,10 +37,9 @@
 		"react": "^17.0.2",
 		"react-burger-menu": "^3.0.6",
 		"react-dom": "^17.0.2",
-		"react-helmet": "^6.1.0",
+		"react-helmet-async": "^1.0.9",
 		"react-router-dom": "^5.2.0",
 		"react-scripts": "^4.0.3",
-		"react-spinners": "^0.10.6",
 		"react-tooltip": "^4.2.19",
 		"styled-components": "^5.3.0",
 		"styled-theming": "^2.2.0",
diff --git a/source/public/index.html b/source/public/index.html
index ac5129a..76e9f78 100644
--- a/source/public/index.html
+++ b/source/public/index.html
@@ -10,7 +10,7 @@
 		<link rel="preconnect" href="https://fonts.gstatic.com" />
 		<link
 			href="https://fonts.googleapis.com/css2?family=Noto+Sans+KR&family=Source+Code+Pro&display=swap"
-			rel="stylesheet preload"
+			rel="stylesheet"
 		/>
 
 		<title>pomp</title>
diff --git a/source/src/App.tsx b/source/src/App.tsx
index 0f5e82f..2604837 100644
--- a/source/src/App.tsx
+++ b/source/src/App.tsx
@@ -1,9 +1,10 @@
 import { BrowserRouter as Router, Switch, Route } from "react-router-dom"
-import { ThemeProvider, createGlobalStyle, css } from "styled-components"
+import { ThemeProvider, createGlobalStyle } from "styled-components"
+import { HelmetProvider } from "react-helmet-async"
 import storage from "local-storage-fallback"
 import { useState, useEffect } from "react"
 import theme from "styled-theming"
-import Loader from "react-spinners/HashLoader"
+import Spinner from "./components/Spinner"
 
 import theming from "./theming"
 
@@ -123,15 +124,6 @@ blockquote {
 }
 `
 
-// the loader is not compatible with styled-components so I'm converting it to string.
-// doing this gives intellisense and stuff in my IDE
-const LoaderStyle = css`
-	position: absolute;
-	top: 0%;
-	left: 50%;
-	transform: translate(-50%, 50%);
-`.toString()
-
 function App() {
 	const [usingTheme, _setTheme] = useState(() => {
 		const savedTheme = storage.getItem("theme")
@@ -145,12 +137,12 @@ function App() {
 	const [isLoading, setLoading] = useState(true)
 
 	// show loading screen until all fonts are loaded.
-	// Experimental feature. Not fully supported on all browsers (ehem IE ehem).
+	// Experimental feature. Not fully supported on all browsers (IE, I'm looking at you).
 	// https://developer.mozilla.org/en-US/docs/Web/API/FontFaceSet
 	useEffect(() => {
 		// checks if document.fonts.onloadingdone is supported on the browser
 		if (typeof document.fonts.onloadingdone != undefined) {
-			document.fonts.onloadingdone = (_: EventListener) => {
+			document.fonts.onloadingdone = () => {
 				setLoading(false)
 			}
 		} else {
@@ -159,53 +151,55 @@ function App() {
 	}, [])
 
 	return (
-		<ThemeProvider
-			theme={{
-				...usingTheme,
-				setTheme: ({ setTheme, ...theme }) => _setTheme(theme),
-			}}
-		>
-			<GlobalStyle />
-			<Router>
-				<Navbar />
-				<div id="content">
-					{isLoading ? (
-						<Loader
-							color={
-								usingTheme.mode == "light"
-									? theming.light.color1
-									: theming.dark.color1
-							}
-							css={LoaderStyle}
-							size={200}
-						/>
-					) : (
-						<Switch>
-							<Route
-								exact
-								path="/"
-								component={() => (
-									<Home howMany={4} title="Home" />
-								)}
+		<HelmetProvider>
+			<ThemeProvider
+				theme={{
+					...usingTheme,
+					// eslint-disable-next-line @typescript-eslint/no-unused-vars
+					setTheme: ({ setTheme, ...theme }) => _setTheme(theme), // make setTheme function available in other components
+				}}
+			>
+				<GlobalStyle />
+				<Router>
+					<Navbar />
+					<div id="content">
+						{isLoading ? (
+							<Spinner
+								size={200}
+								color={
+									usingTheme.mode == "light"
+										? theming.light.color1
+										: theming.dark.color1
+								}
 							/>
-							<Route
-								exact
-								path="/archives"
-								component={() => <Home title="Archives" />}
-							/>
-							<Route
-								exact
-								path="/portfolio"
-								component={Portfolio}
-							/>
-							<Route exact path="/404" component={NotFound} />
-							<Route exact path="/:path*" component={Page} />
-						</Switch>
-					)}
-				</div>
-				<Footer />
-			</Router>
-		</ThemeProvider>
+						) : (
+							<Switch>
+								<Route
+									exact
+									path="/"
+									component={() => (
+										<Home howMany={4} title="Home" />
+									)}
+								/>
+								<Route
+									exact
+									path="/archives"
+									component={() => <Home title="Archives" />}
+								/>
+								<Route
+									exact
+									path="/portfolio"
+									component={Portfolio}
+								/>
+								<Route exact path="/404" component={NotFound} />
+								<Route exact path="/:path*" component={Page} />
+							</Switch>
+						)}
+					</div>
+					<Footer />
+				</Router>
+			</ThemeProvider>
+		</HelmetProvider>
 	)
 }
 
diff --git a/source/src/components/Footer.tsx b/source/src/components/Footer.tsx
index 1a1b075..dfba369 100644
--- a/source/src/components/Footer.tsx
+++ b/source/src/components/Footer.tsx
@@ -2,7 +2,6 @@ import { FontAwesomeIcon } from "@fortawesome/react-fontawesome"
 import { faGithub } from "@fortawesome/free-brands-svg-icons"
 import styled from "styled-components"
 import theme from "styled-theming"
-import { HashRouter as Router, Link } from "react-router-dom"
 
 const StyledFooter = styled.footer`
 	display: flex;
@@ -51,14 +50,14 @@ function Footer() {
 				Copyright &copy; <strong>develo</strong>pomp
 			</div>
 
-			<Router className="icons">
+			<div className="icons">
 				<StyledLink
 					href="https://github.com/developomp/developomp-site"
 					target="_blank"
 				>
 					<FontAwesomeIcon icon={faGithub} />
 				</StyledLink>
-			</Router>
+			</div>
 		</StyledFooter>
 	)
 }
diff --git a/source/src/components/Navbar.tsx b/source/src/components/Navbar.tsx
index 3232022..1492ad9 100644
--- a/source/src/components/Navbar.tsx
+++ b/source/src/components/Navbar.tsx
@@ -1,6 +1,6 @@
 import { FontAwesomeIcon } from "@fortawesome/react-fontawesome"
 import { faGithub } from "@fortawesome/free-brands-svg-icons"
-import styled, { ThemeConsumer } from "styled-components"
+import styled from "styled-components"
 import theme from "styled-theming"
 import ReactTooltip from "react-tooltip"
 import NavbarData from "../data/NavbarData"
diff --git a/source/src/components/SearchBox.tsx b/source/src/components/SearchBox.tsx
index c0ae0d0..fc3e995 100644
--- a/source/src/components/SearchBox.tsx
+++ b/source/src/components/SearchBox.tsx
@@ -1,6 +1,6 @@
 import { FontAwesomeIcon } from "@fortawesome/react-fontawesome"
 import { faSearch } from "@fortawesome/free-solid-svg-icons"
-import styled, { ThemeConsumer, css } from "styled-components"
+import styled from "styled-components"
 import theme from "styled-theming"
 
 const StyledSearchBoxContainer = styled.div`
diff --git a/source/src/components/Sidebar.tsx b/source/src/components/Sidebar.tsx
index 7ad76a9..1c51e73 100644
--- a/source/src/components/Sidebar.tsx
+++ b/source/src/components/Sidebar.tsx
@@ -1,4 +1,4 @@
-import { useEffect, useState } from "react"
+import { useState } from "react"
 import styled, { css } from "styled-components"
 import NavbarData from "../data/NavbarData"
 import theme from "styled-theming"
diff --git a/source/src/components/Spinner.tsx b/source/src/components/Spinner.tsx
new file mode 100644
index 0000000..d42c861
--- /dev/null
+++ b/source/src/components/Spinner.tsx
@@ -0,0 +1,116 @@
+/** Spinner.tsx
+ *  https://github.com/dmitrymorozoff/react-spinners-kit/tree/master/src/components/whisper
+ */
+
+import styled, { keyframes } from "styled-components"
+
+const motion = keyframes`
+	0% {
+        transform: scale(1, 1);
+        opacity: 1;
+    }
+    100% {
+        transform: scale(0, 0);
+        opacity: 0;
+    }
+`
+
+const spin = keyframes`
+    0% {
+        transform: rotate(0deg);
+    }
+    25% {
+        transform: rotate(90deg);
+    }
+    50% {
+        transform: rotate(180deg);
+    }
+    75% {
+        transform: rotate(270deg);
+    }
+    100% {
+        transform: rotate(360deg);
+    }
+`
+
+interface BallInterface {
+	color: string
+	size: number
+	key: string
+	index: number
+}
+
+const Ball = styled.div<BallInterface>`
+	float: left;
+	clear: right;
+	margin: ${(props) => props.size / 15}px;
+	width: ${(props) => props.size / 5}px;
+	height: ${(props) => props.size / 5}px;
+	border-radius: 2px;
+	background-color: ${(props) => props.color};
+	animation-name: ${motion};
+	animation-direction: alternate;
+	animation-duration: 800ms;
+	animation-iteration-count: infinite;
+	&:nth-child(1) {
+		animation-delay: 200ms;
+	}
+	&:nth-child(2) {
+		animation-delay: 400ms;
+	}
+	&:nth-child(3) {
+		animation-delay: 600ms;
+	}
+	&:nth-child(4) {
+		animation-delay: 400ms;
+	}
+	&:nth-child(5) {
+		animation-delay: 600ms;
+	}
+	&:nth-child(6) {
+		animation-delay: 800ms;
+	}
+	&:nth-child(7) {
+		animation-delay: 600ms;
+	}
+	&:nth-child(8) {
+		animation-delay: 800ms;
+	}
+	&:nth-child(9) {
+		animation-delay: 1000ms;
+	}
+`
+
+interface WrapperInterface {
+	size: number
+}
+
+const Wrapper = styled.div<WrapperInterface>`
+	margin: 5rem auto 0 auto;
+	width: 200px;
+	height: 200px;
+	animation: ${spin} 10s infinite;
+`
+
+function Spinner({ size, color }) {
+	const balls: unknown[] = []
+	let keyValue = 0
+	const countBallsInLine = 3
+	for (let i = 0; i < countBallsInLine; i++) {
+		for (let j = 0; j < countBallsInLine; j++) {
+			balls.push(
+				<Ball
+					color={color}
+					size={size}
+					key={keyValue.toString()}
+					index={keyValue}
+				/>
+			)
+			keyValue++
+		}
+	}
+
+	return <Wrapper size={size}>{balls}</Wrapper>
+}
+
+export default Spinner
diff --git a/source/src/components/ThemeToggleButton.tsx b/source/src/components/ThemeToggleButton.tsx
index 8dc18fc..cc05067 100644
--- a/source/src/components/ThemeToggleButton.tsx
+++ b/source/src/components/ThemeToggleButton.tsx
@@ -28,7 +28,7 @@ function Navbar() {
 						data-tip
 						data-for="theme"
 						className="right"
-						onClick={(_: any) =>
+						onClick={() =>
 							_theme.setTheme(
 								_theme.mode === "dark"
 									? { ..._theme, mode: "light" }
diff --git a/source/src/pages/home.tsx b/source/src/pages/home.tsx
index f6910de..c27f50f 100644
--- a/source/src/pages/home.tsx
+++ b/source/src/pages/home.tsx
@@ -2,7 +2,7 @@ import { Link } from "react-router-dom"
 import styled from "styled-components"
 import theme from "styled-theming"
 import marked from "marked"
-import Helmet from "react-helmet"
+import { Helmet } from "react-helmet-async"
 
 import pages from "../pages.json"
 
@@ -48,9 +48,9 @@ const StyledPostCard = styled.div`
 `
 
 function Home(props) {
-	let PostCards: Array<any> = []
+	const PostCards: Array<unknown> = []
 	let howMany = props.howMany
-	let isLimited = Boolean(howMany)
+	const isLimited = Boolean(howMany)
 
 	let h1Text = "All posts"
 	if (isLimited) {
@@ -60,7 +60,7 @@ function Home(props) {
 	for (const pagePath in pages) {
 		if (isLimited && howMany <= 0) continue
 
-		let post = pages[pagePath]
+		const post = pages[pagePath]
 		post.title = post.meta?.title ? post.meta.title : "Unknown title"
 		post.date = post.meta?.date ? post.meta.date : "Unknown date"
 		post.author = post.meta?.author ? post.meta.author : "Unknown author"
diff --git a/source/src/pages/notfound.tsx b/source/src/pages/notfound.tsx
index 27fd18f..6ef237a 100644
--- a/source/src/pages/notfound.tsx
+++ b/source/src/pages/notfound.tsx
@@ -1,6 +1,6 @@
 import styled from "styled-components"
 import theme from "styled-theming"
-import Helmet from "react-helmet"
+import { Helmet } from "react-helmet-async"
 
 const StyledNotFound = styled.div`
 	margin: auto;
diff --git a/source/src/pages/page.tsx b/source/src/pages/page.tsx
index 49a2673..514d5ba 100644
--- a/source/src/pages/page.tsx
+++ b/source/src/pages/page.tsx
@@ -1,13 +1,13 @@
 import marked from "marked"
 import NotFound from "./notfound"
-import Helmet from "react-helmet"
+import { Helmet } from "react-helmet-async"
 
 import pages from "../pages.json"
 import { useParams } from "react-router-dom"
 
 function Page() {
 	const path = `/${useParams().path}`
-	let fetched = pages[path]
+	const fetched = pages[path]
 	if (!fetched) return <NotFound />
 
 	// to prevent wrapping. I don't want to touch prettier stuff
diff --git a/source/src/pages/portfolio.tsx b/source/src/pages/portfolio.tsx
index 8dd2148..a26bacc 100644
--- a/source/src/pages/portfolio.tsx
+++ b/source/src/pages/portfolio.tsx
@@ -1,6 +1,5 @@
 import styled from "styled-components"
-import theme from "styled-theming"
-import Helmet from "react-helmet"
+import { Helmet } from "react-helmet-async"
 
 const StyledPortfolio = styled.div``