SEO is the short form of Search Engines Optimization. People of web world always trying to know more about Seo. Different people have different views about seo. Seo is the way to increase the website rank in the search engines like as Google, Yahoo,MSN.com. With the help of Seo your site will rank in search engines and seo also increase your site SERP (Search Engine Result Page).Hope you able to understand what is the benefit of SERP. There are two type of seo work off page & on page.