Introduction -search engine optimization (optimizer) - SEO 

SEO is short for Search Engine Optimization or search engine optimizer.

Whenever you Enter a Query in a Search Engine and hit 'Enter' you get a list of web results that contain that query term. Users normally tend to visits websites that are at the top of this list as they perceive those to be more relevant to the query. If you have ever wondered why some of these websites rank better than the others then you must know that it is because of a powerful web marketing technique which called Search Engine Optimization (SEO).