Experimental: This is an experimental technology
Check the Browser compatibility table carefully before using this in production.
The HTTP Permissions-Policy header picture-in-picture directive controls whether the current document is allowed to play a video in a Picture-in-Picture mode.
Specifically, where a defined policy blocks use of this feature, HTMLVideoElement.requestPictureInPicture() calls will throw a DOMException of type SecurityError.
Permissions-Policy: picture-in-picture=<allowlist>;<allowlist>A list of origins for which permission is granted to use the feature. See Permissions-Policy > Syntax for more details.
The default allowlist for picture-in-picture is *.