Meta-WebIndexer
Run by Meta
Meta's crawler that indexes pages for Meta AI search answers.
How Verisoul identifies Meta-WebIndexer
Meta-WebIndexer names itself in its user agent. Anyone can copy that, so we only label a session Meta-WebIndexer 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
Uncommon
Seen on some sites, in small volumes
More from Meta
- facebookexternalhitBuilds the link preview when someone shares a URL on Facebook, Instagram or Messenger.Self-declaredHow common: Very common
- Meta-ExternalAgentMeta's crawler that collects public pages for AI training.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 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