other ai bots
facebookexternalhit
Operated by Meta · Other AI bots
Meta crawler used for shared link previews on Facebook, Instagram, and Messenger.
When facebookexternalhit shows up in your logs
Someone shared your link on Facebook, Instagram, or Messenger and Meta fetched a preview.
AI-related bot traffic that does not fit the categories above.
Allow or block it in robots.txt
A robots.txt entry is a request. Well-behaved crawlers honor it; it is not an enforcement mechanism.
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