SEO - Search engines also called a Search Engine Optimization best get started, English called top (hereinafter referred to as SEO.) in the United States belong to more popular Internet marketing way. SEO with PPC (click on ads) biggest difference lies in that it is appeared in natural Search results, for consumers, is the Search Engine natural Search results, rather than Internet advertising. And because of this relationship, mustered rate than PPC - key word to click on ads. But the high many basic concepts of SEO is a design, please Search Engine Yahoo, Google Search logic website, natural improve website ranking in the Search Engine results.