In this new era of Information Technology, Internet is one of the well uttered terms for everyone. From experts to novice, professionals to passionates all love using net for collecting their required information. For collecting information users searches for their relevant terms on the net. Users love to crawl through all those sites which they found in the first page of the used search engines. So it is very important to earn ranking in the SERPs (Search Engine Ranking Pages). The efforts given to get the top rank in the major search engine is known as search engine optimization.
Research statistics reveal that most used search engines are "Google", "Yahoo", "MSN" (Shortly GYM). To achive the required result in search engine pages it is better to follow search engine algorithms. However exact algos are still not known to any webmasters. It cab be earned or learned only through experience, practice, research and following different popular webmaster's forums.