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A study of purchase-decision queries analysed 1,851 sources cited across Google AI Mode, ChatGPT and Perplexity and found only 2.8% were brand-owned pages, with 59% coming from third-party review sites. Here is the difference between being recommended and being cited, and what it means for how you set GEO goals.
Want to know whether ChatGPT or Perplexity cites your website? This 2026 guide gives marketing leads a hands-on AI self-audit SOP: which prompts to ask, how to check across five AI platforms, how to log results into a tracking sheet, and what to do first when you find you aren't cited. Manual prompting, your own GA4/GSC data, and visibility tools — combined, and free to start.
![How to Measure GEO Performance: AI Search Visibility Metrics Explained [2026]](/_next/image?url=%2Fblog%2Fimages%2Fgeo%2Fgeo-performance-measurement-01.webp&w=3840&q=75)
Is your GEO actually working? A complete 2026 guide to measuring AI search visibility: the four-tier framework of exposure, citation, mention, and referral, combining the GSC generative AI report, fixed-question manual testing, and GA4 cross-checks — three free methods for a monthly trend, plus how GEO metrics differ from SEO metrics.
