Websites blocking AI2Bot
The Allen Institute for AI's crawler, used to build open datasets such as Dolma that train its open language models.
Operated by Allen Institute for AI · Training crawler · operator documentation
4.14%
block AI2Bot
1.02 million of 24.68 million domains with a known robots.txt policy
0.53%
block it by name
131K domains, the rest inherit a blanket
* block
2.30%
restrict it by name
567K domains name it and close some of its paths
2.87%
name it in robots.txt
707K domains give it rules of their own
Data for Oct 2026. All four percentages
divide by the same 24.68 million domains. Blocked counts both
explicit User-agent: AI2Bot blocks and blanket
* blocks the crawler inherits.
Blocking trend
2%
4%
6%
Aug 2026
Sep 2026
Oct 2026
Share of domains with a known robots.txt policy
blocking AI2Bot in each monthly crawl. The denominator moves with each crawl and is
defined in the methodology.
Historical mentions, HTTP Archive
1%
2%
3%
Sep 2024
Mar 2025
Sep 2025
Mar 2026
Sep 2026
Share of sites in each month's
HTTP Archive crawl whose robots.txt named
AI2Bot (or a legacy alias of it). This series counts
mentions only (the archive keeps no rule text), comes from a different population than our own
crawl above, and the two are never merged.
High-authority sites blocking AI2Bot by name
| Domain | OPROpen Page Rank | Blocking since |
|---|---|---|
| cnn.com | 9.16/10 | Oct 2026 |
| amazon.co.jp | 9.16/10 | Sep 2026 |
| substack.com | 9.13/10 | Oct 2026 |
| amazon.de | 9.13/10 | Oct 2026 |
| usatoday.com | 9.08/10 | Sep 2026 |
| upenn.edu | 9.00/10 | Oct 2026 |
| uol.com.br | 8.92/10 | Oct 2026 |
| amazon.ca | 8.91/10 | Oct 2026 |
| airbnb.com | 8.88/10 | Sep 2026 |
| mashable.com | 8.87/10 | Sep 2026 |
| francetvinfo.fr | 8.87/10 | Sep 2026 |
| proofpoint.com | 8.85/10 | Sep 2026 |
| unc.edu | 8.83/10 | Oct 2026 |
| gizmodo.com | 8.82/10 | Aug 2026 |
| radiofrance.fr | 8.82/10 | Aug 2026 |
| wikihow.com | 8.81/10 | Aug 2026 |
| pcmag.com | 8.80/10 | Aug 2026 |
| techradar.com | 8.78/10 | Aug 2026 |
| welt.de | 8.78/10 | Oct 2026 |
| oreilly.com | 8.76/10 | Aug 2026 |
| fliphtml5.com | 8.75/10 | Oct 2026 |
| iop.org | 8.75/10 | Oct 2026 |
| rfi.fr | 8.73/10 | Aug 2026 |
| metro.co.uk | 8.72/10 | Aug 2026 |
| bild.de | 8.70/10 | Oct 2026 |
| mainichi.jp | 8.69/10 | Sep 2026 |
| amazon.com.br | 8.67/10 | Oct 2026 |
| nos.nl | 8.67/10 | Oct 2026 |
| livescience.com | 8.66/10 | Aug 2026 |
| launchpad.net | 8.63/10 | Oct 2026 |
Sites whose robots.txt names AI2Bot (or a legacy
alias) with a full block, ranked by Open Page Rank. Sites blocking every crawler with a blanket
* rule are counted above but not listed here. Since dates start at our first
observation of the rule.
Restricting some paths
- reddit.com
- statista.com
- npr.org
- hbr.org
- squarespace.com
- tripadvisor.com
- vox.com
- youradchoices.ca
- ccm19.de
- lifehacker.com
- ign.com
- everydayhealth.com
Also matched via
the legacy token ai2bot-dolma,
which some sites still use for this crawler.