1. Resource Hints: modulepreload

    Using `<link rel="modulepreload">`, browsers can be informed to prefetch module scripts without having to execute them, allowing fine-grained control over when and how module resources are loaded.

  2. html element: link: rel: rel=modulepreload

  3. html element: link: rel: rel=modulepreload: `as=json`

  4. html element: link: rel: rel=modulepreload: `as=script`

  5. html element: link: rel: rel=modulepreload: `as=style`