Linked from

The 12 pages that link to Web crawler, each with the reason it gives.

• Breadth-first searchRelated: Breadth-first crawling can prioritize pages by their link distance from a starting page.

• Search engineRelated: Crawlers gather web pages that a search engine can analyze and index.

• Search engine optimizationRelated: Search engines use crawlers to find pages before they can index or rank them.

• GoogleRelated: Googlebot crawls the web to find pages that Google Search can index.

• Google SearchRelated: Googlebot discovers pages that Google may later process and include in its index.

• Larry PageRelated: Google’s early search system needed crawlers to gather pages for its index.

• Web archivingRelated: Crawlers traverse sites and gather the pages that an archive can preserve.

• Anna's ArchiveRelated: Crawling helps build searchable records from scattered online sources.

• Deep webRelated: Crawlers create search indexes, but cannot generally reach content behind logins or forms.

• GoogleRelated: Google uses crawlers to discover content before its search systems can index it.

• Microsoft BingRelated: Bing uses automated crawlers to discover pages before they can appear in search results.