chrome://settings/privacySandbox
Spam and fraud reduction When trials are on, Spam & fraud reduction relies on trust tokens to help sites fight fraud and distinguish bots from people. Based on your interaction with a site, like regularly signing in to an account, that site can issue a trust token to your browser. Later, if other sites you visit check for and find a valid trust token, they're more likely to treat you like a person and not a bot. Trust tokens improve privacy on the web and can't be used to find out who you are. Ad measurement When trials are on, Ad measurement allows sites you visit to request information from Chrome that helps the site measure the performance of their ads. Ad measurement restricts cross-site tracking by transferring as little information as possible between sites. When you delete your browsing history — all or for a specific site — you also delete associated measurement info. See your browsing history Browser-based ad personalization When trials are on and if Chrome has...