Meta-ExternalAgent
Run by Meta
Meta's crawler that collects public pages for AI training.
How Verisoul identifies Meta-ExternalAgent
Meta-ExternalAgent names itself in its user agent. Anyone can copy that, so we only label a session Meta-ExternalAgent when the other signals check out too.
- Not used
Cryptographic
Not needed to identify it
- Used
Network
Source IP confirmed as the operator's own network
- Not used
Device
Not needed to identify it
- Not used
Behavior
Not needed to identify it
Also names itself in its user agent
How often you'll see it
Very common
About 7 to 13% of global crawler traffic in September 2026, per Cloudflare Radar
More from Meta
- facebookexternalhitBuilds the link preview when someone shares a URL on Facebook, Instagram or Messenger.Self-declaredHow common: Very common
- Meta-ExternalAdsChecks ad landing pages for Meta's ad products.Self-declaredHow common: Uncommon
- Meta-ExternalFetcherFetches a page when a person asks Meta AI about it.Self-declaredHow common: Uncommon
- Meta-WebIndexerMeta's crawler that indexes pages for Meta AI search answers.Self-declaredHow common: Uncommon
- Meta MuseMeta's autonomous personal AI agent, which carries out multi-step tasks on the web for a person.InferredHow common: Very uncommon
- Meta-ExternalTestAn AI agent from Meta that works in a browser and signs its requests.SignedHow common: Very uncommon