Search Engine Optimization (SEO) is the practice of getting your web site listed as high as possible in search results. For example, if you're a pizza place and someone searches for "pizza places in LA," you want your site listed at the top of the search results. Lots of companies would have you believe that SEO is extremely complicated and expensive, but the truth is, it isn't. This lesson will show you simple things you can do to make sure your site is listed as high as possible in search results.