Ometrix

FacebookBot (external)

OFFICIEL

Meta

Facebook external link crawler

10

Score de légitimité

robots.txt

Respecté

Fréquence

Moyen

Impact serveur

Faible

Recommandation

Autoriser

Données techniques

User-Agent Pattern

facebookexternalhit

DĂ©tection JS

const isFacebookBotexternal = /facebookexternalhit/i.test(navigator.userAgent);
Capability de rendu:

Qu'est-ce que FacebookBot (external) ?

facebookexternalhit is the legacy crawler for Facebook link previews. When someone shares a URL on Facebook, this crawler fetches the page to generate the preview card with title, description, and image. Newer crawls may also use FacebookBot user agent.

Types de contenu ciblés

textimagesstructured_data