Google announced on October 30, 2026 that it plans to support a shared AI training control in robots.txt, giving website owners a single way to express training preferences across multiple AI providers. The commitment arrived alongside same-day announcements from Microsoft and OpenAI. How Google Will Apply the Control The plan was laid out in a Google Search Central Blog post by John Mueller, a Google Search Advocate. The control is based on work from the AI Preferences working group at the…