How Google's AI Search is endangering the open web; Cloudflare says that from June 2025 to April 2026 human traffic to many businesses' websites fell nearly 40%
When Google prepared to go public in 2004, Larry Page, a co-founder of the company, wrote a letter to shareholders describing …
Context & Ripple Effects
This extends a documented arc from early warnings that AI-generated search summaries could cut publisher referrals to subsequent reports of publishers seeing traffic fall after AI Overviews. Cloudflare’s cross-industry observation broadens the concern from media companies to businesses that depend on discovery through the web.
The report also follows Cloudflare’s earlier evidence that Google was crawling far more publisher pages than it returned as visitor referrals, sharpening the question of whether AI-driven answer products preserve the exchange between content creation and web traffic.
First-order effects
- Businesses reporting the decline face fewer human visits from a channel that supports discovery, leads, sales and audience building; the reported ~40% change makes traffic loss an operational issue rather than a publisher-only complaint.
- Google’s AI Search becomes more central to how users encounter information, while site owners have less reason to treat search visibility alone as a dependable route to direct visits.
Second-order effects
- Publishers and other web-dependent businesses are likely to put more weight on direct audiences, alternative distribution and controls over how AI search uses their content, as referral traffic becomes less predictable.
- The gap between pages crawled and visitors returned raises pressure on search and AI platforms to demonstrate reciprocal value to content suppliers, rather than just increasing their access to web material.
Third-order effects
- If the pattern persists across sectors, the open web’s economic model could shift away from search referrals toward a smaller set of platforms that mediate answers and user attention.
- That would make publisher-control mechanisms and the terms of AI access to public web content a more consequential point of competition and policy debate, though the reported traffic change alone does not establish a single cause.
The trend: AI answer interfaces are shifting search from a referral mechanism toward a destination, putting the economics of content-supported websites under strain.