What is Meta Web Indexer?

Meta Web Indexer is a web crawler associated with Meta Platforms, Inc. (formerly Facebook). Its primary function is to systematically browse and index publicly available web content. This process enables Meta to enhance its search capabilities, content discovery features, and possibly support other data-driven services across its suite of products, such as Facebook, Instagram, and Threads. The crawler identifies itself with the user agent 'meta-webindexer' and typically respects standard web crawling protocols, such as robots.txt, to determine which pages it is permitted to access. While not as widely recognized as some other Meta bots (like Facebook's 'facebookexternalhit'), Meta Web Indexer appears to serve a backend role in aggregating and analyzing web data to improve user experience and platform functionality.

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