Before I explain what is Local Search Engine Optimization? I will tell you what is SEO? It is an internet marketing technology that helps to optimize your website by using various SEO techniques to driver targeted customers over search engine like Google Yahoo and MSN. If you are running a small business only at San Francisco, then you might have a website that offers business service over online. If you want to do SEO for your website then Local Search Engine Optimization will help you to target the audience in and around San Francisco to achieve better business deal.