Does mainichi.jp block AI crawlers?
mainichi.jp blocked OAI-SearchBot, Claude-SearchBot and PerplexityBot in robots.txt. Its robots.txt blocked 6 of 7 AI training crawlers. We tested it on 13 October 2026 as part of our study of the top 5,000 websites, where mainichi.jp ranked #4,118.
Can AI search engines cite it?
ChatGPT search · OAI-SearchBot
Blocked in robots.txt
Robots.txt names it and disallows the site.
Claude · Claude-SearchBot
Blocked in robots.txt
Robots.txt names it and disallows the site.
Perplexity · PerplexityBot
Blocked in robots.txt
Robots.txt names it and disallows the site.
Firewall results come from requests that identified as each crawler from our own connection, not from the crawlers' IP addresses, so the real crawler may be treated differently.
This is a snapshot from 13 October 2026.
Run a live audit to see what AI crawlers get from mainichi.jp today, plus 50 more checks.
At a glance
- AI training crawlers blocked
- 6 of 7 (GPTBot, ClaudeBot, Google-Extended, Applebot-Extended, Bytespider, CCBot)
- robots.txt
- Published, with rules
- CDN
- Amazon CloudFront
- Content-Signal
- None
- Home page to a browser
- HTTP 403
All 31 crawlers in mainichi.jp's robots.txt
| Crawler | Job | mainichi.jp | Sites blocking it |
|---|---|---|---|
| OAI-SearchBot | AI search index | Blocked (named rule) | 7.5% |
| Claude-SearchBot | AI search index | Blocked (named rule) | 7.1% |
| PerplexityBot | AI search index | Blocked (named rule) | 10% |
| MistralAI-Index | AI search index | Allowed (no rule applies) | 4.1% |
| YouBot | AI search index | Allowed (no rule applies) | 10% |
| ChatGPT-User | Fetches when a user asks | Blocked (named rule) | 9.5% |
| Claude-User | Fetches when a user asks | Blocked (named rule) | 7.5% |
| Perplexity-User | Fetches when a user asks | Allowed (no rule applies) | 7.6% |
| Google-GeminiNotebook | Fetches when a user asks | Allowed (no rule applies) | 3.9% |
| Meta-ExternalFetcher | Fetches when a user asks | Blocked (named rule) | 7.9% |
| Amzn-User | Fetches when a user asks | Allowed (no rule applies) | 4.8% |
| DuckAssistBot | Fetches when a user asks | Allowed (no rule applies) | 7.9% |
| MistralAI-User | Fetches when a user asks | Allowed (no rule applies) | 7.1% |
| Googlebot | Search engine | Allowed (no rule applies) | 2.1% |
| Bingbot | Search engine | Allowed (no rule applies) | 2.3% |
| Meta-WebIndexer | Search engine | Allowed (no rule applies) | 6.3% |
| Amzn-SearchBot | Search engine | Allowed (no rule applies) | 5.1% |
| Applebot | Search and training under one name | Allowed (no rule applies) | 3.5% |
| Meta-ExternalAgent | Search and training under one name | Blocked (named rule) | 12% |
| Amazonbot | Search and training under one name | Blocked (named rule) | 9.8% |
| GPTBot | Model training | Blocked (named rule) | 14% |
| ClaudeBot | Model training | Blocked (named rule) | 13% |
| Google-Extended | Model training | Blocked (named rule) | 12% |
| Applebot-Extended | Model training | Blocked (named rule) | 11% |
| MistralAI-Training | Model training | Allowed (no rule applies) | 4.2% |
| Bytespider | Model training | Blocked (named rule) | 15% |
| CCBot | Model training | Blocked (named rule) | 15% |
| Google-Agent | Browses and acts for a user | Allowed (no rule applies) | 4.2% |
| OAI-AdsBot | Ads checks and site-owner services | Allowed (no rule applies) | 4.0% |
| Google-CloudVertexBot | Ads checks and site-owner services | Allowed (no rule applies) | 6.9% |
| Meta-ExternalAds | Ads checks and site-owner services | Allowed (no rule applies) | 3.9% |
“Sites blocking it” is the share of the 2,332 live sites with readable robots.txt rules in the same study. Matching follows RFC 9309: a crawler obeys the group that names it, otherwise the rule for all crawlers.
Run mainichi.jp?
Blocking training crawlers doesn't remove you from AI answers; blocking the search crawlers does. To keep AI search and opt out of training, use the AI robots.txt generator, then check your CDN with a live audit. Every crawler's user agent is in the AI crawler list, and the full method and data are in the study.
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