Connection allowlistsThe Connection-Allowlist HTTP response header limits which requests a page may initiate using fetch and other APIs.securitySecuritylimitedhttps://wicg.github.io/connection-allowlists/https://developer.mozilla.org/docs/Web/API/ReportingObserver/ReportingObserverapi.ReportingObserver.ReportingObserver.options_parameter.types_property.connection-allowlisthttp.headers.Connection-Allowlisthttp.headers.Connection-Allowlist-Report-Onlyhttps://nowyoucanuse.com/features--connection-allowlists.html