Study finds Google AI Overviews reduce publisher clicks by 39.8% with no user satisfaction gain
By
Luis Rijo
Summary
A randomized field experiment with 1,065 desktop Chrome users provides the first causal evidence that Google's AI Overviews significantly reduce clicks to publisher websites. The study found AI Overviews caused a 39.8% drop in outbound organic clicks and a 34.5% increase in zero-click searches, while sponsored clicks remained unchanged. Importantly, users reported no improvement in search satisfaction, raising regulatory concerns about Google's market power and the impact of AI-generated summaries on web traffic and publisher sustainability.
Source
Key quotes
· 3 pulledThe paper, published on the Social Science Research Network on April 3, 2026, and last revised June 17, 2026, found that when an AI Overview was shown, outbound organic clicks fell by 39.8% and zero-click searches rose by 34.5%
A randomized field experiment involving 1,065 desktop Chrome users has produced what its authors describe as the first causal evidence that Google's AI Overviews divert clicks away from publisher websites without improving how users experience search.
clicks on sponsored results stayed flat
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