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glossary/citation share

What Is Citation Share? Definition | SEO AEO Specialist SEO & AEO Specialist

In short

Citation share is the percentage of AI answers, across a defined set of test prompts, that cite your site as a source, measured relative to your competitors. It shows how often answer engines like ChatGPT, Perplexity, or Google AI Overviews choose your content as a reference when responding to questions in your topic area.

Citation share matters because AI answers increasingly sit between users and your website. Ranking in traditional results is no longer enough if the engine summarizes an answer and cites someone else. Tracking citation share across a consistent prompt set tells you whether you are the source the machine trusts, or whether rivals are winning that visibility.

It is a practical way to measure answer-engine performance over time and benchmark against competitors. Learn more in the AI citations guide. Back to the SEO & AEO glossary.

01

FAQ

How is citation share measured?

You run a fixed set of representative prompts through one or more AI engines and record how often each site is cited. Your citation share is the proportion of those answers that reference you, compared with the proportion earned by competitors on the same prompts.

How is citation share different from rankings?

Rankings measure where your page appears in a list of blue links. Citation share measures how often AI engines quote or reference you inside a synthesized answer. A page can rank well yet rarely be cited, so the two metrics capture different kinds of visibility.

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