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    what is a spider?

    if it is not a insect then what is it? I mean the live crawling eight legged thing.

    0  Views: 601 Answers: 1 Posted: 12 years ago

    1 Answer

    The non insect spider:


    A program that automatically fetches Web pages. Spiders are used to feed pages to search engines. It's called a spider because it crawls over the Web. Another term for these programs is webcrawler.



    Because most Web pages contain links to other pages, a spider can start almost anywhere. As soon as it sees a link to another page, it goes off and fetches it. Large search engines, like Alta Vista, have many spiders working in parallel.



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