Checks / AI crawler access
robots.txt blocks Google-Extended
Google-Extended controls whether Google uses your content for Gemini training and grounding. Blocking it is a choice; it does not affect Google Search.
robots_google_extended · AI crawler access · Notice
What to change
Allow Google-Extended if you want your content used by Gemini.
Example
Lines that allow Google-Extended in robots.txt:
User-agent: Google-Extended
Allow: /How common it is
On a sample, the study measured robots.txt blocking Google-Extended on the homepage's site: 9 of 294 Show HN sites (3%), and 0 of 67 Lovable sites (0%).
Fetched 20 and 21 Oct 2026 as CitedBot, robots.txt obeyed, no JavaScript. Study: Launch crawl 2026-10 (English).
About this check
| Check ID | robots_google_extended |
|---|---|
| Report section | AI crawler access |
| Severity | Notice |
| How it is decided | Measured: read directly from the page or the server's response. |
| Added | Before 19 Oct 2026 (versions 1 and 2), or a site-wide check with no version date yet |
| Status | Measured in every report |
| Report gives the code | Yes, one block for the site |
Settings by platform
For robots.txt, where the setting lives differs by platform. Our guides cover 13 of them: AI crawler settings by platform.
Related checks
- robots.txt blocks ChatGPT-User
- robots.txt blocks Claude-SearchBot
- robots.txt blocks Claude-User
- robots.txt blocks OAI-SearchBot
- robots.txt blocks Perplexity-User
- robots.txt blocks PerplexityBot
See whether it applies to your site
Paste your address and we crawl up to 10 pages and show every issue we find, with its fix. No account, no card.
Every plan crawls up to its page limit and lists these checks with the fix: plans.
How an audit works: method