Does mamastar.jp block AI crawlers?
Blocks AI training, allows AI answers
mamastar.jp blocks at least one AI training crawler but still lets AI answer engines read its pages.
Checked from mamastar.jp/robots.txt. Robots rules change; the live file is the source of truth.
- AI crawlers blocked
- 1 of 12
- AI bots named in robots.txt
- 2
- llms.txt
- Not found
- Popularity
- Tranco top 2,000 (#1,582)
Can AI assistants cite mamastar.jp?
- ChatGPT search: its search crawlers may read the site
- Claude: its search crawlers may read the site
- Perplexity: its search crawlers may read the site
mamastar.jp opts out of AI training by Meta. Training crawlers and answer crawlers are separate: blocking training doesn't by itself remove a site from AI answers.
AI crawler access, bot by bot
| Crawler | Used for | Status on mamastar.jp |
|---|---|---|
| GPTBotOpenAI | AI training | Some paths restricted |
| OAI-SearchBotOpenAI | AI answers | Some paths restricted |
| ChatGPT-UserOpenAI | AI answers | Some paths restricted |
| ClaudeBotAnthropic | AI training | Some paths restricted |
| Claude-SearchBotAnthropic | AI answers | Some paths restricted |
| Claude-UserAnthropic | AI answers | Some paths restricted |
| PerplexityBotPerplexity | AI answers | Some paths restricted |
| Google-ExtendedGoogle | AI training | Some paths restricted |
| Applebot-ExtendedApple | AI training | Some paths restricted |
| CCBotCommon Crawl | AI training | Some paths restricted |
| BytespiderByteDance | AI training | Some paths restricted |
| Meta-ExternalAgentMeta | AI training | Blocked |
How mamastar.jp compares
- 19% of the 1,278 popular sites we checked block GPTBot; mamastar.jp does not.
- 18% of the 1,278 popular sites we checked block ClaudeBot; mamastar.jp does not.
- 14% of the 1,278 popular sites we checked block PerplexityBot; mamastar.jp does not.
- Among 142 sites of similar popularity, 15% block at least one AI crawler.
The robots.txt rules that apply to AI crawlers
User-agent: meta-externalagent Disallow: / User-agent: ClaudeBot User-agent: * Disallow: /mypage/bbs/ Disallow: /v1/api/
Excerpt: only groups for all user-agents (*) or named AI crawlers, up to 40 rules per group.
Sites with a similar AI policy
- imgsrc.ru · 1 blocked
- meteociel.fr · 2 blocked
- notion.com · 1 blocked
- shutterstock.com · 4 blocked
- zedge.net · 1 blocked
- mobcup.fm · 2 blocked
- ilmeteo.it · 6 blocked
- hostinger.com · 2 blocked
All sites that are “blocks ai training, allows ai answers” →
Does mamastar.jp block GPTBot?
No. As of Oct 2, 2026, mamastar.jp's robots.txt doesn't block GPTBot, though some paths are restricted for all crawlers.
Can ChatGPT search show results from mamastar.jp?
Its robots.txt doesn't block OAI-SearchBot or ChatGPT-User, so ChatGPT's search crawlers may read it. Whether pages are actually shown depends on ChatGPT.
Does mamastar.jp have an llms.txt file?
We didn't find a valid llms.txt at mamastar.jp/llms.txt when we checked.
Data: mamastar.jp's public robots.txt and llms.txt, fetched by AskableHQ. Popularity rank from the Tranco list (ID Y83YG). Methodology.