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Thread: Web Crawler ?

  1. #1
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    Web Crawler ?

    Web Crawler is also called ....

  2. #2
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    Re: Web Crawler ?

    web crawlers are some programmes in which they follow the indexed URL`s and catched the texts and links... it depend on the meta tags you use in you HTML!!

  3. #3
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    Re: Web Crawler ?

    Web Crawler is also called as Web spider or Web robot.

  4. #4
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    Re: Web Crawler ?

    The inner working of Web Crawlers, Robots And Spiders.

  5. #5
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    Re: Web Crawler ?

    Web spider

  6. #6
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    Re: Web Crawler ?

    spider or robot, all three are used to crawl your website.

  7. #7
    min
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    Re: Web Crawler ?

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

    Web search engines and some other sites use Web crawling or spidering software to update their web content or indices 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.

    Crawlers consume resources on the systems they visit and often visit sites without tacit approval. Issues of schedule, load, and "politeness" come into play when large collections of pages are accessed. Mechanisms exist for public sites not wishing to be crawled to make this known to the crawling agent. For instance, including a robots.txt file can request bots to index only parts of a website, or nothing at all.

    As the number of pages on the internet is extremely large, even the largest crawlers fall short of making a complete index. For that reason search engines were bad at giving relevant search results in the early years of the World Wide Web, before the year 2000. This is improved greatly by modern search engines, nowadays very good results are given instantly.
    Last edited by min; 10-19-2016 at 01:43 AM.
    Instaeasy Review - The powerful software that allows you to manage the activities of your Instagram account and generate the leads as well as create more sales in this potential market.

  8. #8
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    Re: Web Crawler ?

    Crawler or Crawling takes place when there is a successful fetching of unique URIs which can be traced from valid links from other web pages.

  9. #9
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    Re: Web Crawler ?

    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.

  10. #10
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    Re: Web Crawler ?

    As the number of pages on the internet is extremely large, even the largest crawlers fall short of making a complete index. For that reason search engines were bad at giving relevant search results in the early years of the World Wide Web, before the year 2000. This is improved greatly by modern search engines, nowadays very good results are given instantly.

  11. #11
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    Re: Web Crawler ?

    A Web crawler is an Internet bot which systematically browses the World Wide Web, typically for the purpose of Web indexing (web spidering). Web search engines and some other sites use Web crawling or spidering software to update their web content or indices of others sites' web content.

 

 

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