AI Crawler Index · Anthropic · ClaudeBot
Which .jp (Japan) websites block ClaudeBot?
As of 2026-10-03, 8 of the 149 .jp (Japan) websites whose robots.txt we could read (5.4%) block ClaudeBot, Anthropic's AI training crawler, on the home page, compared with 11% of all sites; 3 more block it on some paths.
5.4%
of 149 .jp (Japan) websites block ClaudeBot
11%
of all sites
8
sites block it
All 8 .jp (Japan) websites that block ClaudeBot
| # | Site | Policy | Crawlers blocked |
|---|---|---|---|
| 2106 | yomiuri.co.jp | Blocks some AI search | 17 of 29 |
| 2287 | mainichi.jp | Blocks some AI search | 15 of 29 |
| 3846 | carview.co.jp | Blocks all AI search | 29 of 29 |
| 3989 | chunichi.co.jp | Blocks some AI search | 18 of 29 |
| 4373 | nishinippon.co.jp | Blocks some AI search | 18 of 29 |
| 4383 | tokubai.co.jp | Blocks training only | 1 of 29 |
| 5185 | nikkeibp.co.jp | Blocks some AI search | 16 of 29 |
| 9957 | honto.jp | Blocks training only | 1 of 29 |
Popular .jp (Japan) websites that allow ClaudeBot
Other AI crawlers and .jp (Japan) websites
- GPTBot 6%
- PerplexityBot 4.7%
- Google-Extended 6%
- CCBot 5.4%
- Bytespider 5.4%
- Applebot-Extended 4.7%
- OAI-SearchBot 4.7%
ClaudeBot in other segments
- news websites 32%
- .fr (France) websites 30.6%
- .au (Australia) websites 29.7%
- social websites 28.8%
- .it (Italy) websites 25.5%
- .nl (Netherlands) websites 25%
- reference websites 24.4%
- .uk (United Kingdom) websites 21.1%
- .de (Germany) websites 20.2%
- .es (Spain) websites 19.4%
- .app websites 16.7%
- .ch (Switzerland) websites 16.7%
- .net websites 13.6%
- .com websites 12.2%
FAQ
- Which .jp (Japan) websites block ClaudeBot?
- yomiuri.co.jp, mainichi.jp, carview.co.jp, chunichi.co.jp, nishinippon.co.jp, tokubai.co.jp, nikkeibp.co.jp, honto.jp.
- How many .jp (Japan) websites block ClaudeBot?
- As of 2026-10-03, 8 of the 149 .jp (Japan) websites whose robots.txt we could read (5.4%) block ClaudeBot, Anthropic's AI training crawler, on the home page, compared with 11% of all sites; 3 more block it on some paths.
- How do I block or allow ClaudeBot on my site?
- Add "User-agent: ClaudeBot" 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.