Web Crawler or Spiderbot

Crawler or Robot - SEO Glossary

A web crawler or spiderbots is a program used by search engines to collect data from the Internet. When a crawler visits a website, it selects all content from the website and stores it in a database.

It also stores all the external and internal links of the website and will visit them at a later time, this is how it moves from one website to another.

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