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Apr 8, 2012

How Search Works?

Search engines made access of web very easy. You don't need to remember url of every site. Just type the query in search box, in less than a second search engines provides you relevant results. Daily search engines answer billions of queries from users across the globe.


Google, yahoo, Bing provides organic search results. An organic search or search is typically a combination of search results and ads relevant to the user query.


How does search or organic search works?
Search engines use a software called spider/bot which crawls into webpages. When you are searching you aren't actually searching the web, you are searching the website index that search engine has. When user enters a query in search box spider enters the search engine index and crawls into webpages which have matching keywords in the user query. May be thousands of websites have the matching keywords, next search engines see following criteria:


how many times does a particular page has matching keywords?
whether keywords are in the title of the page or in the content of the page?
is this page from quality website?
does this page has any spam?


In less than half a second you'll get the search results. Search results are may be a combination of search results and ads or just search results. search engine companies have their own ranking algorithms. To get priority in search results one must implement search engine optimization.






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