Introduction to Search Engine

Search Engine is a type of database which designed to help find information. It is a program that searches documents for specified keywords and return a list of the documents where the keywords were found. E.g. of search engine Google, Yahoo, Bing, AltaVista, Cuil, AOL, and AskJeeves etc.


What is Search Engine Optimization?

Search engine optimization (SEO) is the process of improving the visibility of a website or of increasing the amount of visitors to a website by obtaining a high ranking placement in the search result pages of a search engine.
SEO is a technique which helps search engines find and rank your site higher than the millions of other sites in response to a keyword.
SEO thus helps us to get traffic from search engines.


How it works?

Search engines use programs called spiders, or bots, to search the internet and document their findings.

Spiders firstly go to a webpage and analyse it goes through the HTML code and categorises the most important words (keywords) in the document.

It then moves on to any pages that linked from the current page.

This is one way how search engines find new pages.

It also visits pages that may not be linked by other pages, but were submitted by search engines.

It is impossible for a spider to visit a site daily just to see if a new page has appeared or if an existing page has been modified, sometimes crawlers may not end up visiting your site for a month or two.

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Aslehys
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There is no doubt that you are having a great knowledge about the SEO.

Nice useful information for SEO.Thanks for sharing.

this is a new concept for me ...thanks for your information that you have given.

thanks
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