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How Search Engines Work <ul><li>Crawler-based Search Engines, such as Google, use a “Spider” or “Bot” to search the Web fo...
How Search Engines Work <ul><li>Crawlers follow the hyperlinks within each web page, in order to find all pages within a s...
How Search Engines Work <ul><li>The Crawler scans all the data and text on a webpage, and stores this in their Index </li>...
How Search Engines Work <ul><li>When you enter a search term into Google, they trawl their Index for content related to th...
How Search Engines Work <ul><li>Search Engines use a complex algorithm, to ensure that the results they display are the cl...
How Search Engines Work <ul><li>This makes the Searcher very happy indeed. </li></ul><ul><li>Well done, Search Engine! </l...
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How Search Engines Work

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How do crawler-based Search Engines work? This short slideshow is designed to summarise the methods employed by Google and other Spider or Bot engines.

Published in: Technology, Design
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How Search Engines Work

  1. 1. How Search Engines Work <ul><li>Crawler-based Search Engines, such as Google, use a “Spider” or “Bot” to search the Web for content, to present to their users. </li></ul>
  2. 2. How Search Engines Work <ul><li>Crawlers follow the hyperlinks within each web page, in order to find all pages within a site, as well as other domains to which that site links. </li></ul>
  3. 3. How Search Engines Work <ul><li>The Crawler scans all the data and text on a webpage, and stores this in their Index </li></ul>
  4. 4. How Search Engines Work <ul><li>When you enter a search term into Google, they trawl their Index for content related to that search term, and present you with a list of appropriate sites. </li></ul>
  5. 5. How Search Engines Work <ul><li>Search Engines use a complex algorithm, to ensure that the results they display are the closest possible match to what you searched for. </li></ul>
  6. 6. How Search Engines Work <ul><li>This makes the Searcher very happy indeed. </li></ul><ul><li>Well done, Search Engine! </li></ul>

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