Does who.int block AI crawlers?
Blocks AI training, allows AI answers
who.int blocks at least one AI training crawler but still lets AI answer engines read its pages.
Checked from who.int/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
- 1
- llms.txt
- Not found
- Popularity
- Tranco top 500 (#265)
Can AI assistants cite who.int?
- 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
who.int opts out of AI training by Common Crawl. 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 who.int |
|---|---|---|
| GPTBotOpenAI | AI training | Allowed |
| OAI-SearchBotOpenAI | AI answers | Allowed |
| ChatGPT-UserOpenAI | AI answers | Allowed |
| ClaudeBotAnthropic | AI training | Allowed |
| Claude-SearchBotAnthropic | AI answers | Allowed |
| Claude-UserAnthropic | AI answers | Allowed |
| PerplexityBotPerplexity | AI answers | Allowed |
| Google-ExtendedGoogle | AI training | Allowed |
| Applebot-ExtendedApple | AI training | Allowed |
| CCBotCommon Crawl | AI training | Blocked |
| BytespiderByteDance | AI training | Allowed |
| Meta-ExternalAgentMeta | AI training | Allowed |
How who.int compares
- 19% of the 1,278 popular sites we checked block GPTBot; who.int does not.
- 18% of the 1,278 popular sites we checked block ClaudeBot; who.int does not.
- 14% of the 1,278 popular sites we checked block PerplexityBot; who.int does not.
- Among 191 sites of similar popularity, 33% block at least one AI crawler.
The robots.txt rules that apply to AI crawlers
User-agent: CCBot Disallow: /
Excerpt: only groups for all user-agents (*) or named AI crawlers, up to 40 rules per group.
Sites with a similar AI policy
- linktr.ee · 2 blocked
- forter.com · 3 blocked
- canva.com · 6 blocked
- alibaba.com · 2 blocked
- weather.com · 2 blocked
- medium.com · 5 blocked
- name.com · 1 blocked
- flickr.com · 7 blocked
All sites that are “blocks ai training, allows ai answers” →
Does who.int block GPTBot?
No. As of Oct 2, 2026, who.int's robots.txt doesn't block GPTBot.
Can ChatGPT search show results from who.int?
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 who.int have an llms.txt file?
We didn't find a valid llms.txt at who.int/llms.txt when we checked.
Data: who.int's public robots.txt and llms.txt, fetched by AskableHQ. Popularity rank from the Tranco list (ID Y83YG). Methodology.