Cross-Origin-Opener-Policy DEMO

same origin

same site

cross origin

Impact of the popup CrossOriginOpenerPolicy
Opener / Openee Same origin - unsafe-none Same origin - allow-popups Same origin - Same origin Cross origin - unsafe-none Cross origin - allow-popups Cross origin - same-origin
Top level - unsafe-none Y N N Y N N
Top level - allow-popups Y Y N Y N N
Top level - same-origin N N Y N N N
Same origin iframe - unsafe-none Y N N Y N N
Same origin iframe - allow-popups Y Y N Y N N
Same origin iframe - same-origin N N Y N N N
Cross origin iframe - unsafe-none Y N N Y N N
Cross origin iframe - allow-popups Y N N Y N N
Cross origin iframe - same-origin N N N N N N