Keyword Optimization is a subject which is well known to the SEO industry today. If your site does not have the proper key words the search engines will never find your site and index you properly. Relevant keywords to your website's theme and content will make a monstrous difference to your bottom line, search results, traffic and recognition. If you are having doubts about why you are not showing up in the search results, but you are doing everything right then double check your key words.