Add URL website submission Search engine optimization (SEO) is the process of affecting the visibility of a website or a web page in a web search engines unpaid results—often referred to as natural, organic, or earned 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 engines users; these visitors can then be converted into customers.[1] SEO may target different kinds of search, including image search, local search, video search, academic search,[2] news search, and industry-specific vertical search engines.