Search engine optimization (SEO) is the process of affecting the visibility of a website or a web page in a search engine's. Search engine optimization is "natural" or un-paid "organic"search results.In general, the earlier or higher ranked on the search results page, and more frequently a site appears in the search results list, the more visitors it will receive from the search engine's users. Search engine optimization may target different kinds of search, including image search, local search,