Cross-Origin-Opener-Policy HTTP Header

Isolate the document from cross-origin windows.

One of the following values is accepted.

same-origin: Isolated the browsing context to same-origin.
same-origin-allow-popups: Retain references to new opened windows or tabs.
unsafe-none: Allow document to be added to its openered browsing context group.

Cross-Origin-Opener-Policy: same-origin-allow-popups

Enter a Cross-Origin-Opener-Policy header below to parse and return details about it.