Millions of websites - including Sky News, The Associated Press and Buzzfeed - will now be able to block artificial intelligence (AI) bots from accessing their content without permission.The new system is being rolled out by internet infrastructure firm,

The company will also introduce a "pay-per-crawl" system to give users more fine-grained control over how AI companies can access their sites.

Cloudflare operates a popular content delivery network, or CDN, that website operators use to speed up page loading times. The company also provides related services that ease tasks such as blocking cyberattacks.