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Core concept · Search

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Definition

Google evaluates websites for topic authority through signals such as E-E-A-T — Experience, Expertise, Authoritativeness, and Trustworthiness — to determine their relevance and citation priority for specific topics in Search and AI Overviews. There is no formal “Preferred Source” designation or official publisher program that confers preferred status for general search ranking. While there is no formal preferred source program, Google’s quality evaluation framework does differentiate between sources on the basis of demonstrated expertise and authority. Brands that build genuine topical authority — through comprehensive, accurate, well-cited content, authoritative author signals, and strong entity infrastructure — earn the kind of implicit source preference that Google’s systems exercise when selecting citations for AI Overviews and AI Mode responses.

Preferred Source Program

Topical authority

E-E-A-T

AI Overviews

Source credibility

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