Google

Can Gemini and Google AI read your site?

AI Overviews and AI Mode come from the Google index. Google-Extended is a separate switch.

Reads robots.txt and llms.txt. Nothing stored.

How it reads the web

Google documents Google-Extended as the token that controls whether your content is used for Gemini training and grounding. It is not a crawler of its own and it does not affect Search. AI Overviews and AI Mode draw on the ordinary Googlebot index, so a page that Googlebot cannot read is invisible to both, whatever you do with Google-Extended.

Documented user agents

Google-Extendedchecked
Googlebotdocumented

What your site needs

Four things that decide whether Gemini and Google AI can use your pages

01
Googlebot allowed and no stray noindex
This is the one that puts you in AI Overviews. A noindex left over from the preview removes you from Search and AI answers at once.
02
Decide on Google-Extended separately
Blocking it withholds content from Gemini grounding and training, and leaves Search alone.
03
Rendered content Googlebot can see quickly
Googlebot does render JavaScript, but later and with a budget. Server-visible text is read on the first pass.

Why builder sites fail here

robots meta noindex on every page because the template hid the preview
Canonical pointing at the preview domain, so Google indexes that instead
Missing or empty sitemap

BulkAudits finds these on a live site, then opens a pull request on a new branch with the fix. You merge.

Audit my site

Questions about Gemini and Google AI

If I block Google-Extended, do I leave AI Overviews?: No. Google states that Google-Extended does not affect Search, and AI Overviews and AI Mode are Search features. They depend on Googlebot.
Does Gemini use my site if Google-Extended is allowed?: It may, for grounding and training. Whether a given answer cites you is not something any tool can promise.

Other assistants

Every check above is part of the nine-point AI readiness score in a full audit.