what is web crawlers?

what is web crawlers?

Web Crawlers are also known as Spiders or Bots used by Search Engines to crawl the website as the result of indexing the website on the Search Engine Result Pages.

A web crawler also known as a web spider or web robot is a program or automated script which browses the World Wide Web in a methodical, automated manner. This process is called Web crawling or spidering. Many legitimate sites, in particular search engines, use spidering as a means of providing up-to-date data.

A web crawler retrieves a web page, finds and follows the links on that page, retrieves those newly found pages, finds and follows those links, etc.

Web crawlers used by search engine to crawl the website as the result of indexing the website on the Search Engine Result Pages.

A web crawler (also known as a web spider or web robot) is a program or automated script which browses the World Wide Web in a methodical, automated manner.