What is a Web crawler and how does it work?

[warrantyau]

What is a Web crawler and how does it work?

[sophiawils59]

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."

[swarabhore]

Web crawler is a software program also called bot or spider which scans the data of website and store in search engine's database center and when user search for website it gives result from database center.

[yuva12]

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."

[vijayshah1140]

A web crawler, or spider, is a type of bot that's typically operated by search engines like Google and Bing. Their purpose is to index the content of websites all across the Internet so that those websites can appear in search engine results.

[Maria Jonas]

Hope so, you have known what you were looking for

[dombowkett]

Web crawler are used to crawl the website while improving your search engine position.

[robertdavid718]

Web crawler index web content for search results. It is also called web spider.