I'm trying to understand this FLoC business. I'm hearing people say we should set a header indicating that our site does not want to participate. Sounds good! But is that necessary? This site (web.dev/floc/#do-websites-have) suggests that a page will only be included if it has javascript that calls document.interestCohort(). If that is true, why do we need the header?


This twitter thread seems to confirm that the header is needed in case your site pulls in any iframes that have FLoC enabled. twitter.com/Log3overLog2/statu

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