History of Web crawler

	Revision 2 . . April 27, 2001 3:22 pm by WojPob
	Revision 1 . . April 27, 2001 12:55 pm by (logged).116.226.xxx

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Changed: 1c1

A web crawler (also known as web spider) is a program which browses the World Wide Web in a methodical, automated manner. Web crawlers typically keep a copy of all the visited pages for later processing - for example by a Search Engine.

A web crawler (also known as web spider) is a program which browses the World Wide Web in a methodical, automated manner. Web crawlers typically keep a copy of all the visited pages for later processing - for example by a Search Engine.

Changed: 3c3

In general, the web crawler starts with a list of URL to visit. As it visits these URLS, it identifies all the links in the page and adds them to the list of URLS to visit. The process is either ended manually, of after a certain number of links have been followed.

In general, the web crawler starts with a list of URL to visit. As it visits these URLs, it identifies all the links in the page and adds them to the list of URLs to visit. The process is either ended manually, of after a certain number of links have been followed.