Data

Data-driven reviews of the published numbers on AI citations, referrals and visibility.

DataSep 19, 2026

Which industries get cited most in AI answers? What the public data shows

Health leads on AI answer coverage, marketplaces and IT on referral traffic. But published studies disagree sharply on the size of those leads, and the reasons are methodological.

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DataSep 8, 2026

ChatGPT, Gemini and Perplexity cite the web differently: a review of the published comparisons

A dozen published studies compare how AI engines cite the web. They agree the engines diverge and disagree on almost everything else. The methods explain most of the gap.