What is FacebookBot? AI crawler guide
FacebookBot is a crawler or fetcher associated with Meta. See source-graded user-agent, robots.txt, verification, and observation guidance.
What is FacebookBot?
FacebookBot is a reported crawler or fetcher string associated with Meta, but current operator evidence is incomplete. Meta crawler historically documented for Facebook crawling and AI-related training uses.
Evidence status
| Field | Value |
|---|---|
| Evidence | Reported, not operator verified |
| Lifecycle | Status uncertain |
| Purpose | social |
| robots.txt posture | honors |
| Source checked | 2026-06-11 |
Reported user-agent
FacebookBot
Allowing FacebookBot creates the possibility of retrieval. To find out whether Meta AI actually cites or recommends you, track your Meta AI mentions over time.
robots.txt allow example
User-agent: FacebookBot Allow: /
robots.txt block example
User-agent: FacebookBot Disallow: /
What the rule can and cannot do
Robots.txt expresses an access policy to compliant automated crawlers. It does not authenticate the sender, remove content already collected, or guarantee that a model will use or not use content.
How to verify a request
- Match the complete documented user-agent where one exists. A match is only a clue.
- Look for operator-published IP ranges, reverse DNS, or signed-request guidance. None is attached to this record.
- Keep the observed request, operator documentation, and any inference as separate fields.
JavaScript behavior
The cited operator material does not verify JavaScript rendering. Serve useful HTML before client-side JavaScript where possible.
Related bots
- TikTokSpider: Also tracked as a social crawler.
- facebookexternalhit: Another Meta social crawler to compare.
- Meta-ExternalAgent: Also operated by Meta.
- Meta-ExternalFetcher: Also operated by Meta.
- Amazonbot: Shares crawler-policy context with FacebookBot.
- Applebot: Shares crawler-policy context with FacebookBot.
- GoogleOther: Shares crawler-policy context with FacebookBot.
- GPTBot: Shares crawler-policy context with FacebookBot.
- Claude-Web: Shares crawler-policy context with FacebookBot.
- Meta AI: FacebookBot connects this operator term to its crawler behavior.
- Robots.txt: Robots.txt is the control file used to allow or block FacebookBot.
Frequently Asked Questions
What is FacebookBot?
FacebookBot is a reported, not operator verified crawler or fetcher record associated with Meta.
What user-agent does FacebookBot use?
FacebookBot. Check the evidence status before attributing a matching request.
Can FacebookBot be blocked in robots.txt?
The record identifies FacebookBot as the token to review. Robots.txt is a request policy, not proof of model use or non-use.
How can I verify a FacebookBot request?
Treat the user-agent as a clue and look for operator-published IP, reverse-DNS, or signature guidance.
Data & Sources
- Meta documentation - Primary source for FacebookBot crawler details.
- FacebookBot source reference - Source used to verify FacebookBot.