Give developers the ability to embed third party HTML documents inside a new and ephemeral context. In return, COEP embedding rules can be relaxed. Thanks to anonymous iframe, developers using COEP can now embed third party content that do not.
The numbers do show that at least 50% of responders have some use cases of anonymous iframes for non sandbox flags. I don't think this validates the assumption that sandbox and anonymous iframes will always be used in conjunction.
The numbers do show that at least 50% of responders have some use cases of anonymous iframes for non sandbox flags. I don't think this validates the assumption that sandbox and anonymous iframes will always be used in conjunction.