What is Web Crawler?

[bobnelson]

Hello friends please suggest me
What is Web Crawler?

 

[jenerous]

A crawler is a program that visits Web sites and peruses their pages and other data so as to make passages for an search engine3 index.The real web crawlers on the Web all have such a program, which is otherwise called an "spider" or a "bot." Crawlers are ordinarily modified to visit locales that have been presented by their proprietors as new or refreshed. Whole locales or particular pages can be specifically gone by and filed.

 

[Intuz]

A web crawler or an Internet bot help in collecting information about a website and related links to the website. Web crawler validates HTML code and hyperlinks of a website. A Web crawler is also known as a Web spider, automatic indexer or simply crawler. Web spiders help search engines in indexing process. They crawl one page at a time through a website until all pages have been indexed.

 

[duxte]

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.

 

[richrich]

Web crawler is an automated search engine on the internet, a web crawler that is a methodically automated Web browser.

 

[SEONinja]

Search engine for locating information on WWW, it indexes all the words in a document, adds them to a database, then follows all hyperlinks and indexes and adds that information also to the database. Also called web spider, spider.

 

[sharmaroshni]

A search engine crawler is a program or automated script that browses the World Wide Web in a methodical manner in order to provide up to date data to the particular search engine. While search engine crawlers go by many different names, such as web spiders and automatic indexers, the job of the search engine crawler is still the same.

 

[Dipika]

Web crawler*is a program that visits sites and reads their pages and other information in order to create entries for a search engine file.

 

[Digitalpursuit]

Web crawler is the Google bot software which is also known as spider that follow the hyperlinks and indexed the web page content in their database.

 

[emilyoliver]

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.

 

[arindamdutta16]

Web crawler is an automated script that browses the World Wide Web in a methodical manner in order to provide up to date data to the particular search engine. The process of web crawling involves a set of website URLs that need to be visited, called seeds, and then the search engine crawler visits each web page and identifies all the hyperlinks on the page, adding them to the list of places to crawl.