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Model launchPublished 2026-06-24Updated 2026-06-25
Gemini 3 launches with always-on live web grounding
Google's Gemini 3 model grounds every answer with a live web fetch by default, ending the cached-corpus era for its answer surface.
By Mark Barclay · Source: Google DeepMind
Gemini 3 no longer serves answers from a stale training cutoff. Every response includes a live fetch of the top matching URLs, and the model surfaces the fetch timestamp inline. Sites that respond slowly or block Google-Extended saw immediate citation drops.
The change makes crawl speed and robots.txt hygiene an AEO ranking factor. Test /robots.txt with `curl -A GoogleOther` and confirm your Cache-Control headers allow 5-minute revalidation.
What to do about it
Allow Google-Extended and GoogleOther in robots.txt, keep TTFB under 800ms, and set sensible Cache-Control headers or Gemini 3 will skip you.
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