Header

Sets the title shown in the browser tab.

<title>My Page</title>

Provides metadata about the document (charset, author, description, etc.).

<meta charset="UTF-8" />

<meta name="description" content="Page summary" />
<meta name="keywords" content="html, css, js" />
<meta name="author" content="Mehdi" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />

Links external resources like stylesheets or icons.

<link rel="stylesheet" href="style.css" />

Adds internal CSS styles directly inside the HTML document.

<style>body { background: #000; }</style>

Embeds or links to JavaScript code.

<script src="script.js" defer ></script>

<script src="script.js" async ></script>

Sets a base URL for all relative URLs in the document.

<base href="https://example.com/" />