What is Web crawler?

[warrantyau]

What is Web crawler?

[Mithzi Rai]

A Web crawler, sometimes called a spider or spiderbot and often shortened to crawler, is an Internet bot that systematically browses the World Wide Web

[rscomponentseo]

A Web Crawler is a program that navigates the Web and finds new or updated pages for indexing. The Crawler starts with seed websites or a wide range of popular URLs (also known as the frontier) and searches in depth and width for hyperlinks to extract.

[viagracialis]

A crawler is a program that visits Web sites and reads their pages and other information in order to create entries for a search engine index. The major search engines on the Web all have such a program, which is also known as a "spider" or a "bot.

[Sojan]

A Web crawler is an Internet bot which helps in Web indexing. They crawl one page at a time through a website until all pages have been indexed.

[godwin]

A crawler is a program used by search engines to collect data from the internet. When a crawler visits a website, it picks over the entire website's content (i.e. the text) and stores it in a databank. It also stores all the external and internal links to the website.