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27th September 2011, 01:06 PM
#1
help....plz
web crawler kya hota hai or sunsipder? ye kya kaam krte hain koi btaskta hai?
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27th September 2011, 03:22 PM
#2
Crawling
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. 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. URLs from this list are re-visited occasionally according to the policies in place for the search engine. The policies of the search engine can be different for each search engine, and may be a cautionary action to ensure that some of the pages that have been added to the index before have not become spam.
[COLOR="rgb(255, 0, 255)"]SunSpider[/COLOR]
SunSpider JavaScript Benchmark, a system to benchmark the speed of JavaScript engines.
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