Web site promotion, advertising promotion site saytpromouting or promotion, website optimization - all synonyms that imply they are promoting a web site in search engines to attract targeted visitors to the site to advertise services, products and services presented on the site, increasing sales and profits. But sometimes a site optimization services involve one of the stages of promotion (promotion). In this context, although the optimization, as well as promotion and aims to conclude the site in the top, means a complex of works on optimization of content-filled site.