Google Preferred Sources adds publisher selection counts and on-site CTA button

Google now emails publishers the number of users who picked their site as a preferred source and offers an on-site "Add as a preferred source" button. Google says users who select a source are about twice as likely to click through to it.

• Google emails publishers their Preferred Source selection counts
• Users who pick a source are about twice as likely to click through
• The button uses a two-line JavaScript snippet or a deeplink
• Selected sources appear more often in Top Stories, AI Mode and AI Overviews