First-Party Sets (aka FPS)MotivationBorrowing from the First-Party Sets explainer: In defining this scope [of ‘first-party’ in privacy models], we must balance two goals: the scope should be small enough to meet the user's privacy expectations, yet large enough to provide the user's desired functionality on the site they are interacting with. Origin TrialFirst-Party Sets will begin Origin Trial in M89. The goals of the Origin Trial are to:
Origin Trial PolicyIn order to apply a structured approach to examining user understanding of FPS relationships, the following policy constraints will apply to the First-Party Sets Origin Trial:
Origin Trial FunctionalityThe FPS Origin Trial will be “cosmetic” in that it will not change data sharing capabilities for FPS member domains; therefore, UX treatments will not be required for initial OT. In addition, when the user has third-party cookie blocking enabled, Chrome's normal functionality will persist and cookies will not be shared in cross-domain contexts - even if the domains are part of the First-Party Set OT. In parallel with the Origin Trial, we will be conducting user research to better understand user expectations with respect to First-Party Sets. It is expected that this will allow testing of browser user interface options to make First-Party Sets discoverable and transparent for users. Joining the Origin TrialTo request participation in the Origin Trial for Chrome M89+, please utilize the standard Origin Trial process: https://developers.chrome.com/origintrials/#/trials/active. Note: you only need to register one domain - the “owner domain” of the set. We will use OT registrations for feedback and follow-up as needed. If performance/usage/unintended consequences present themselves during this experiment, we may end the experiment and notify participants. Additionally, please submit your proposed set details with this bug template; bugs (and any resulting comments/questions) will be publicly visible once submitted. If you have any questions, please reach out to chrome-first-party-sets@chromium.org. |
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