AI Crawler Index · OpenAI · GPTBot
Which .io websites block GPTBot?
As of 2026-10-02, 8 of the 186 .io websites whose robots.txt we could read (4.3%) block GPTBot, OpenAI's AI training crawler, on the home page, compared with 12% of all sites; 7 more block it on some paths.
4.3%
of 186 .io websites block GPTBot
12%
of all sites
8
sites block it
All 8 .io websites that block GPTBot
| # | Site | Policy | Crawlers blocked |
|---|---|---|---|
| 1435 | huntress.io | Blocks all AI search | 29 of 29 |
| 3419 | osf.io | Blocks some AI search | 3 of 29 |
| 3673 | lunalabs.io | Blocks all AI search | 29 of 29 |
| 4388 | quay.io | Blocks all AI search | 29 of 29 |
| 5864 | uakinogo.io | Blocks all AI search | 29 of 29 |
| 7025 | radar.io | Blocks all AI search | 29 of 29 |
| 7667 | hackmd.io | Blocks training only | 9 of 29 |
| 8486 | kimberlite.io | Blocks all AI search | 29 of 29 |
Popular .io websites that allow GPTBot
Other AI crawlers and .io websites
- ClaudeBot 3.8%
- PerplexityBot 3.8%
- Google-Extended 3.8%
- CCBot 4.8%
- Bytespider 5.9%
- Applebot-Extended 3.8%
- OAI-SearchBot 3.2%
GPTBot in other segments
- social websites 32.7%
- .fr (France) websites 31.8%
- news websites 31.5%
- reference websites 28.9%
- .au (Australia) websites 27.8%
- .it (Italy) websites 27.3%
- .nl (Netherlands) websites 27.1%
- .pl (Poland) websites 26.4%
- .de (Germany) websites 23.6%
- .es (Spain) websites 22.2%
- .uk (United Kingdom) websites 20%
- .app websites 16.7%
- .ch (Switzerland) websites 16.7%
- .net websites 13.4%
FAQ
- Which .io websites block GPTBot?
- huntress.io, osf.io, lunalabs.io, quay.io, uakinogo.io, radar.io, hackmd.io, kimberlite.io.
- How many .io websites block GPTBot?
- As of 2026-10-02, 8 of the 186 .io websites whose robots.txt we could read (4.3%) block GPTBot, OpenAI's AI training crawler, on the home page, compared with 12% of all sites; 7 more block it on some paths.
- How do I block or allow GPTBot on my site?
- Add "User-agent: GPTBot" followed by "Disallow: /" to https://<your-site>/robots.txt to block it, or "Allow: /" to allow it. Check the result with the free AI crawler checker at tools.yukai.uk/free/ai-crawler-checker.