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Glossary

Google-Extended

Google user-agent related to Gemini / AI training opt-out controls.

Definition

Google-Extended is often used in robots.txt to signal AI training preferences separately from classic Googlebot search crawling.

In practice

  • Use precise language on public pages so assistants and crawlers share the same meaning
  • Pair definitions with crawlable HTML, metadata, and intentional robots policy
  • Measure outcomes (mentions, citations, pillar scores) after you change signals

See also

Next step

Browse the glossary index, read what is AI visibility?, or measure your site.

Related

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FAQ

What is Google-Extended?

Google user-agent related to Gemini / AI training opt-out controls.

Why does Google-Extended matter for AI visibility?

Google-Extended is often used in robots.txt to signal AI training preferences separately from classic Googlebot search crawling.

How can BatSignal help?

BatSignal measures crawl access, content readiness, ChatGPT presence, and related signals so teams can improve AI visibility with evidence—not guesswork.