We Tested the World's Top 1,000 Websites: 41% Are Unreadable to ChatGPT
New Vidern research: 40.9% of the web's top 1,000 sites block or fail GPTBot, 42.6% block ClaudeBot, and 17.6% block AI crawlers silently through their firewall — while allowing them in robots.txt. Here's the full data.










