Credentialless iframesThe credentialless attribute for the <iframe> HTML element loads third-party content in an ephemeral context and does not send any credentials such as cookies. When using cross-origin isolation, this allows you to embed content that does not send Cross-Origin-Embedder-Policy headers.securitySecuritylimitedhttps://wicg.github.io/anonymous-iframe/https://developer.mozilla.org/docs/Web/API/Window/credentiallessapi.HTMLIFrameElement.credentiallessapi.Window.credentiallesshtml.elements.iframe.credentiallesshttps://nowyoucanuse.com/features--iframe-credentialless.html