Search engine optimization (SEO) is the process of affecting the visibility of a website or a web page in a search engine’s “natural” or un-paid 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.
SEO is an integrated part of website localization because translating your content into other languages will guarantee search engine rankings. You need to make sure that your potential customers can easily find you on the internet. SEO localization is the best way to achive this.