Should you block AI crawlers?
For most sites that want to be found, no. Allow AI search bots, decide on training bots deliberately, and use robots.txt by named bot.
What changed in answer engine, generative engine and agent optimization, checked against sources. Each briefing links its evidence and labels how well supported each claim is.
For most sites that want to be found, no. Allow AI search bots, decide on training bots deliberately, and use robots.txt by named bot.
llms.txt is a community proposal. No major AI provider has confirmed using it, and Google says you do not need it. It is cheap to add and unproven.
Google says no special schema is needed for its AI features. Structured data is still useful for clarity, rich results and entity identity, if it matches the page.
Google stopped showing FAQ rich results in Search in 2026. FAQPage markup is still valid schema.org, but adding FAQs only for markup is not worthwhile.
Put the direct answer in the first sentence under each question heading, then add detail. It is a writing practice, not a Google requirement.
For Google Search, AEO and GEO are part of SEO. They are useful lenses for writing and structure, not separate systems with separate rules.