github.com source code
The homepage of github.com is 571.1 KB of HTML built with Cloudflare. Its security headers get a B. We last checked it on 2026-10-27.
| Address | https://github.com/ |
|---|---|
| Status | 200 |
| Title | GitHub · Change is constant. GitHub keeps you ahead. · GitHub · GitHub |
| Description | Join the world's most widely adopted, AI-powered developer platform where millions of developers, businesses, and the largest open source community build software that advances humanity. |
| Language | en |
| Built with | Cloudflare |
| Scripts | 8 external, 1 inline |
| Stylesheets | 42 |
| Security headers | B · see the headers |
The first lines of its HTML
<!DOCTYPE html>
<html lang="en" data-color-mode="dark" data-dark-theme="dark" data-color-mode="light" data-light-theme="light" data-dark-theme="dark" data-a11y-animated-images=…
<head>
<meta charset="utf-8">
<link rel="dns-prefetch" href="https://github.githubassets.com">
<link rel="dns-prefetch" href="https://avatars.githubusercontent.com">
<link rel="dns-prefetch" href="https://github-cloud.s3.amazonaws.com">
<link rel="dns-prefetch" href="https://user-images.githubusercontent.com/">
<link rel="preconnect" href="https://github.githubassets.com" crossorigin>
<link rel="preconnect" href="https://avatars.githubusercontent.com">
<script type="importmap">
{"imports":{"react":"https://github.githubassets.com/assets/react-fa5e2e82e6e0ecc0.js","react-dom":"https://github.githubassets.com/assets/react-dom-c7f52…
</script>
<meta name="react-profiling" content="0" data-turbo-transient="true" />
<meta name="react-import-map" content="react,react-dom,react-dom/client,react-dom/profiling,react-is,react-reconciler,react/compiler-runtime,react/jsx-dev-r…
<link crossorigin="anonymous" rel="modulepreload" href="https://github.githubassets.com/assets/react-fa5e2e82e6e0ecc0.js" />
<link crossorigin="anonymous" rel="modulepreload" href="https://github.githubassets.com/assets/react-compiler-runtime-4610bd6d3de9c049.js" />
<link crossorigin="anonymous" rel="modulepreload" href="https://github.githubassets.com/assets/scheduler-58b860b049ca307c.js" />
<link crossorigin="anonymous" rel="modulepreload" href="https://github.githubassets.com/assets/react-dom-c7f52540bb6b77ed.js" />
<link crossorigin="anonymous" rel="modulepreload" href="https://github.githubassets.com/assets/react-dom-client-35b308126995de85.js" />
<link crossorigin="anonymous" rel="modulepreload" href="https://github.githubassets.com/assets/react-is-e0b593954b4706d8.js" />
<link crossorigin="anonymous" rel="modulepreload" href="https://github.githubassets.com/assets/react-jsx-runtime-4915cb0f5b3aff04.js" />
<link crossorigin="anonymous" rel="modulepreload" href="https://github.githubassets.com/assets/react-reconciler-8e99e505c4429605.js" />
<link crossorigin="anonymous" rel="preload" as="script" href="https://github.githubassets.com/assets/global-banner-disable-750ad87f36b8e45f.js" />
<link rel="preload" href="https://github.githubassets.com/assets/MonaSansVF-wdth-wght-opsz-7a868ff47c93bd97.woff2" as="font" type="font/woff2" crossorigin>
<link crossorigin="anonymous" media="all" rel="stylesheet" href="https://github.githubassets.com/assets/light-3a3d2c708970e4e8.css" />
<link crossorigin="anonymous" media="all" rel="stylesheet" href="https://github.githubassets.com/assets/light_high_contrast-9c7b506bdc5ea73f.css" />
<link crossorigin="anonymous" media="all" rel="stylesheet" href="https://github.githubassets.com/assets/dark-c9dacb4ec19616db.css" />
<link crossorigin="anonymous" media="all" rel="stylesheet" href="https://github.githubassets.com/assets/dark_high_contrast-5ef38214a3eabc7d.css" />
<link data-color-theme="light" crossorigin="anonymous" media="all" rel="stylesheet" data-href="https://github.githubassets.com/assets/light-3a3d2c708970e4e8…All the code · Meta tags and report · Response headers · What changed