Identity: Names itself in its user agent only.
How to recognise it
- User agent contains
meta-webindexer
With Double Agent
Sessions from Meta-WebIndexer are labelled bot with agent_id: meta.webindexer, and tagged in your analytics. Nothing is blocked unless you choose to. Install: https://doubleagent.so/install.md
Source: https://developers.facebook.com/docs/sharing/webmasters/web-crawlers ยท Operator docs: https://developers.facebook.com/docs/sharing/webmasters/web-crawlers