`, ``, and other head tags for your 404 page: > **Good to know**: Next.js automatically injects `` for pages that return a 404 status code, including `global-not-found.js` pages. ```tsx filename="app/global-not-found.tsx" switcher import type { Metadata } from 'next' export const metadata: Metadata = { title: 'Not Found', description: 'The page you are looking for does not exist.', } export default function GlobalNotFound() { return (