HTTP reference

This page lists HTTP reference documentation on MDN.

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The following subsections are also notable:

• CSP directives
  • : The {{HTTPHeader("Content-Security-Policy")}} (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 {{HTTPHeader("Permissions-Policy")}} response header provides a mechanism to allow or deny the use of browser features in a document or within any {{HTMLElement("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.