When a website is optimized for SEO, it means it ranks as high as possible in the search engines. This means your website will land high in the list of organic search results. SEO has to do with the information on your website, its technology and usability as well as the external links that lead to your page. A website is not optimized until all three points are met. To what extent your website is optimized, you can have a search engine marketing agency investigate.