TopicsThe topics API reports a user's likely subject-matter interests (as determined by the browser, known as topics) to iframes. This allows for interest-based advertising that does not rely on user's exact browsing history, third-party cookies, or fingerprinting.limitedhttps://patcg-individual-drafts.github.io/topics/https://developer.mozilla.org/docs/Web/API/Document/browsingTopicsapi.Document.browsingTopicsapi.HTMLIFrameElement.browsingTopicsapi.Request.Request.options_parameter.browsingTopicsapi.fetch.options_parameter.browsingTopicshtml.elements.iframe.allow.browsing-topicshtml.elements.iframe.browsingtopicshttp.headers.Observe-Browsing-Topicshttp.headers.Permissions-Policy.browsing-topicshttp.headers.Sec-Browsing-Topicshttps://nowyoucanuse.com/features--topics.html