Web crawler

Not to be confused with offline reader. For the search engine of the same name, see WebCrawler.

A Web crawler is an Internet bot which systematically browses the World Wide Web, typically for the purpose of Web indexing.

Web search engines and some other sites use Web crawling or spidering software to update their web content or indexes of others sites' web content. Web crawlers can copy all the pages they visit for later processing by a search engine which indexes the downloaded pages so the users can search much more efficiently.

单词	RBSE
释义	RBSE 英语百科 Web crawler Not to be confused with offline reader. For the search engine of the same name, see WebCrawler. A Web crawler is an Internet bot which systematically browses the World Wide Web, typically for the purpose of Web indexing. Web search engines and some other sites use Web crawling or spidering software to update their web content or indexes of others sites' web content. Web crawlers can copy all the pages they visit for later processing by a search engine which indexes the downloaded pages so the users can search much more efficiently.
随便看	engineering ship engineering ship,engineering vessel engineering shop engineering simulator engineering sketch Engineering,Software engineering software engineering soil engineering solution engineering source data engineering space engineering special test equipment engineering specification engineering specifications engineering staff engineering standard Engineering Standard Committee engineering standard department engineering standards engineering standards manual engineering statics Engineering Statistics engineering stess Engineering strain Engineering stress

RBSE

Web crawler