Original Research on How AI Engines Choose Their Sources

Every study on this page starts with our own citation data. Not a survey, not a scrape of someone else’s dataset. We pull citations from ChatGPT, Perplexity, Gemini, Google AI Overviews, and AI Mode, then test what actually predicts whether a page gets picked — and publish the sample size and method alongside the finding.

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Wellows citation research across AI engines

Your AI Citation Research Library

Every chapter starts with a study we ran on our own citation data, then works outward to what it changes in practice. Sample sizes, engines covered, and collection windows are stated in each one.