Purpose: User-initiated. Fetches a specific page because a user asked, rather than crawling broadly. Blocking this stops people using an assistant to read the site; it does not prevent training.
Fetches pages while Gemini carries out a multi-step research task for a user.
3.24%
of the panel names this token in robots.txt and disallows it, for the week of 2026-11-02.
How sites treat this token
| Stance | Domains | What it means |
|---|---|---|
| FullBlock | 26 | Every path is disallowed for this token. |
| PartialBlock | 6 | Some paths are disallowed for this token; others are not. |
| Allowed | 1 | The token is named and explicitly allowed. |
| Unmentioned | 954 | The file never names this token. This is not consent โ the site may still close it off with a blanket rule for every crawler. |
Gemini-Deep-Research's three-year history
A site in the historical panel first named and disallowed this token in 2025-10; its most recent reading is 4.51%.
Google's other tokens
The most fragmented operator in the set, with five tokens. Only Google-Extended is a consent signal; the others are crawlers serving distinct products.
| Token | Purpose | Published rate |
|---|---|---|
| Google-CloudVertexBot | Training | 7.09% |
| Google-Extended | Training consent | 15.91% |
| Google-NotebookLM | User-initiated | 2.94% |
| GoogleAgent-Mariner | User-initiated | 2.33% |
Sites that treat these tokens differently
182 domains in the panel treat Google's tokens differently from one another. The first 25 are shown below.
| Domain | Gemini-Deep-Research | Google-CloudVertexBot | Google-Extended | Google-NotebookLM | GoogleAgent-Mariner |
|---|---|---|---|---|---|
| abc.net.au | Unmentioned | Unmentioned | FullBlock | Unmentioned | Unmentioned |
| academia.edu | PartialBlock | Unmentioned | FullBlock | Unmentioned | Unmentioned |
| ad.nl | Unmentioned | Unmentioned | FullBlock | Unmentioned | Unmentioned |
| aftonbladet.se | Unmentioned | Unmentioned | FullBlock | Unmentioned | Unmentioned |
| alibaba.com | Unmentioned | Unmentioned | FullBlock | Unmentioned | Unmentioned |
| aliexpress.com | Unmentioned | Unmentioned | FullBlock | Unmentioned | Unmentioned |
| amap.com | Unmentioned | Unmentioned | PartialBlock | Unmentioned | Unmentioned |
| amazonvideo.com | FullBlock | FullBlock | Unmentioned | FullBlock | FullBlock |
| amplitude.com | Unmentioned | Unmentioned | PartialBlock | Unmentioned | Unmentioned |
| android.com | Unmentioned | Unmentioned | PartialBlock | Unmentioned | Unmentioned |
| aol.com | Unmentioned | Unmentioned | FullBlock | Unmentioned | Unmentioned |
| ay267.com | Unmentioned | FullBlock | FullBlock | Unmentioned | Unmentioned |
| bandcamp.com | Unmentioned | Unmentioned | FullBlock | Unmentioned | Unmentioned |
| bbc.co.uk | Unmentioned | FullBlock | FullBlock | Unmentioned | Unmentioned |
| bbc.com | Unmentioned | FullBlock | FullBlock | Unmentioned | Unmentioned |
| bblaa.com | Unmentioned | FullBlock | FullBlock | Unmentioned | Unmentioned |
| behance.net | Unmentioned | Unmentioned | FullBlock | Unmentioned | Unmentioned |
| bfmtv.com | FullBlock | FullBlock | FullBlock | Unmentioned | Unmentioned |
| bidmachine.io | Unmentioned | Unmentioned | Allowed | Unmentioned | Unmentioned |
| bitrix24.ru | Unmentioned | Unmentioned | PartialBlock | Unmentioned | Unmentioned |
| bloomberg.com | Unmentioned | FullBlock | FullBlock | Unmentioned | Unmentioned |
| branch.io | Unmentioned | Unmentioned | Allowed | Unmentioned | Unmentioned |
| buzzfeed.com | Unmentioned | Unmentioned | FullBlock | Unmentioned | Unmentioned |
| capcut.com | Unmentioned | Unmentioned | PartialBlock | Unmentioned | Unmentioned |
| change.org | Unmentioned | PartialBlock | Unmentioned | Unmentioned | Unmentioned |