How Search Engine Crawlers Work
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Transcript of How Search Engine Crawlers Work
Welcome
How Search Engine Crawlers Work
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• Website's best friend in terms of search rankings
• Known as a spider, robot, bot, crawler
• Software that scans the World Wide Web in a systematic and automated way
What is Search Engine Crawler?
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• Gathering information to be later indexed in central directories
• Used for website maintenance tasks such as validating HTML code or checking links
Use of Web Crawling or Spidering
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• Search for information on the web and in available databases and open directories
• Operates by web crawling, indexing and searching by using one or more spiders
• It gathers information about web pages
Main Function of a Search Provider
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• Search providers index all or just a part of the searched web page
• Search companies index every word of every page their crawlers find
• Search companies use predefined and categorized listing of keywords determined by humans
Different Ways of Indexing
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Thank you
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