GA4 analyses find ChatGPT sends just 0.62% of Google's traffic, fueling attribution debate
VeryWellVersed · x · 2026-10-23
A thread on whether AI visibility is measurable: Marie Haynes' GA4 analysis of 100 sites found ChatGPT sent just 0.62% of the traffic Google organic did; Kevin Indig's 12-site analysis found total Direct sessions up 140.9% from January to September while engaged Direct fell 1.0%, and he couldn't isolate AI's contribution (an effect may still exist).
The poster argues measuring AI visibility needs not just evolution but a renaissance — citing F1 sponsorships measured via consistent brand-awareness studies across millions of exposures, which last-click attribution can't capture. Echoes David Ogilvy's "half the money I spend on advertising is wasted" line.
Related event: Three SEO Studies Concur: AI Search Delivers Negligible Traffic(3 posts)→
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