Checks / AI crawler access
robots.txt keeps Google-Extended out of your home page and most of the site
Google-Extended collects training data and may read only the paths robots.txt allows for it. This is a choice: most of your pages stay out of future model training, not out of AI search.
robots_partial_google_extended · AI crawler access · Notice
What triggers it
robots.txt does not let Google-Extended fetch your home page, but leaves some other paths open for it; the finding names the first three.
What to change
Remove the Disallow: / rule for Google-Extended in robots.txt, or add Allow rules for the other paths you want read.
Example
Lines that allow Google-Extended in robots.txt:
User-agent: Google-Extended
Allow: /How common it is
We have not measured how common this is on a sample of sites. Counts appear here when a study covers it.
About this check
| Check ID | robots_partial_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.
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