Blocking OAI-SearchBot is not a complete removal signal for ChatGPT Atlas. OpenAI says a disallowed page can still appear as a link and title when the URL is learned elsewhere and judged relevant; publishers that want to suppress that result need a crawlable noindex directive, while GPTBot remains the separate training control.
beehiiv has moved AI crawler policy from a voluntary robots.txt signal to an enforceable publisher control for Max and Enterprise custom-domain sites. Its new dashboard tracks 22 AI and search crawlers, while separate structured-data and llms.txt features target AI discovery rather than access control.
Google’s September Search changes now form a broader migration story: legacy campaign-level Broad Match and standalone Automatically Created Assets settings will be converted into AI Max, while language targeting stops affecting Search delivery and related API mutations begin failing.