Search engines act as the universal information system over the web. It enables billions of people to dig out their required information from the websites at one click. Thus every single person who use internet is quite aware about the importance & purpose of search engine. SEO or search engine optimization one the other hand is the human efforts regarding optimization of specific keywords to catch the specific website through different search engines. Each search engine rates every website on behalf of their content & information, the popularity & purpose of existence. However the term SEO is directly related to internet marketing as well. many firms & individuals are offering internet marketing & search engine optimization services. In short SEO is the promotion of your business over the web & the effort to attract potential customers to the particular website. Some websites like, you tube, CNN & facebook are famous enough & posses genuine visitors, such websites didn't need SEO process to boost it in search engines. this process is carried out for relatively poor websites which the search engine didn't tracks for relevant keywords.

 The strategies used to do SEO is all about link building, direct marketing also serves a part in it. link building includes, directory submissions, forum posting, blog commenting, in content links, social networking & so forth. SEO is however a long run process & it didn't gives results quite frequently. it takes months or even years to properly targeted keywords to a website with sold SEO frames.