This page lists HTTP reference documentation on MDN.

The following subsections are also notable:

• CSP directives

  • : The (CSP) response header allows website administrators to specify which resources the user agent is allowed to load for a given page. This section lists directives that can be used in a CSP header, with individual documentation pages that describe how the directives work and how to use them.

  Permissions-Policy directives

  • : The response header provides a mechanism to allow or deny the use of browser features in a document or within any <iframe> element in the document. This section lists directives that can be used in a Permissions-Policy header, with individual documentation pages that describe how the directives work and how to use them.