How search engines work??..explain
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A search engine makes this index using a program called a 'web crawler'. ... Some websites stop web crawlers from visiting them. These pages will be left out of the index, along with pages that no-one links to. The information that the web crawler puts together is then used by search engines
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most search engine build index based on, which is the process through which Indians like Google and others find new pages to index .mechanisms known as bots or spiders crawl the web looking for new pages. the box typically start with list of website URL determined from previous crawls. when detects new links on this page through tags like HREF and SRC they add these to the list of sites to index. then search engines use their algorithms to provide you with ranked list from their index of what pages you should be most interested in based on the search terms you used.
then the engine will return a list of web results ranked using its specific algorithm. on Google other elements like personalized and universal results and may also change your page ranking. in personalized results the search engines utilizes additional information it knows about the user to return results that are directly catered to their interests. Universal search results combine video, images and Google News to create a bigger picture result, which can mean greater competitions from other websites for the same keywords.
most search engine build index based on, which is the process through which Indians like Google and others find new pages to index .mechanisms known as bots or spiders crawl the web looking for new pages. the box typically start with list of website URL determined from previous crawls. when detects new links on this page through tags like HREF and SRC they add these to the list of sites to index. then search engines use their algorithms to provide you with ranked list from their index of what pages you should be most interested in based on the search terms you used.
then the engine will return a list of web results ranked using its specific algorithm. on Google other elements like personalized and universal results and may also change your page ranking. in personalized results the search engines utilizes additional information it knows about the user to return results that are directly catered to their interests. Universal search results combine video, images and Google News to create a bigger picture result, which can mean greater competitions from other websites for the same keywords.
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