What changed
Google expanded Preferred Sources to all supported Search languages on April 30, 2026, brought selected sources into AI Overviews and AI Mode on May 27, and on August 20 documented a custom interactive button publishers can place on their own sites to guide readers through selecting them as a preferred source. Preferred Sources can make a publisher appear more prominently in Top Stories and now labels links from selected sites inside Google’s AI experiences.
Why it matters
This creates a rare user-controlled distribution lever inside Google Search. Publishers cannot force selection, but they can now ask loyal readers to explicitly prefer them, and that preference follows into both conventional news discovery and generative search. Google says people are twice as likely to click through after marking a site as preferred; that is a vendor-reported aggregate rather than a guaranteed lift, but it is material enough for publishers to test alongside newsletter, app and social follow prompts.
Preferred Sources has moved beyond Top Stories
The feature launched as a way for users to see more from chosen publishers in Top Stories. Google expanded it globally in April and then into AI Overviews and AI Mode in May, where links from selected publishers are clearly labeled.
Publishers now have an on-site acquisition mechanic
Google’s August 20 documentation adds an interactive button that a site can embed to help a reader set that site as a Preferred Source and then return to where they left off. That turns a Search personalization setting into something publishers can actively promote on owned surfaces.
The value is distribution, not ranking immunity
Preferred status is not a promise that every page will rank or appear in an AI answer. It is a user preference layer on top of Google’s eligibility and ranking systems. Publishers should therefore treat it as a loyalty/distribution tactic rather than a substitute for technical SEO, original reporting or content quality.