How Search Engine Operates ??

Search Engine Optimization

SEO is all about optimizing your website for search engines to improve the volume & quality of traffic to your website.

So before you plan to do Seo on your site, it is essential for you to understand How Search Engines Operates.

4 Activities that Search Engines perform



It is the process of fetching all the web pages linked to a website. This task is performed by a software called Crawler or Spider , (Google bot  in case of Google).

Such as, Google uses automated programs called spiders or crawlers, just like most search engines. It has a large index of keywords and where those words can be found.


Google uses a trademarked algorithm called Page Rank, which assigns each Web page a relevancy score.


Indexing is a process of creating index for all the fetched web pages & keeping them in a huge database, from when it can be retrieved later. Essentially , the process of indexing is identyfiing the words & expressions that best describe the page & assigning the page to particular keywords.


Processing – When a search request comes, the search engine processes it. It compares the search query in the search request with those indexed pages in the database.



It is natural that while indexing, more than one pages may contain the search query , so the search engine starts calculating the relevancy of each of the pages in its index to the search query.




The last phase in search engine’s activities is retrieving the best matched results and Simply displaying them in the browser.

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