What is Facebook Crawler?

facebookexternalhit is the identifier for Facebook's official web crawler. When users share links on Facebook or Messenger, this bot visits the linked web pages to retrieve metadata such as titles, descriptions, images, and other Open Graph information. This enables Facebook to generate accurate and visually appealing link previews within its social media ecosystem. The crawler respects robots.txt directives and is widely recognized by webmasters, who may tailor their site's metadata to optimize how their content appears when shared on Facebook. The user agent string typically includes 'facebookexternalhit' along with version information.

Total recordings for facebookexternalhit: 34,306