Search engine optimization (SEO) is important for any web page or website that needs to be seen online. Reasons may include: being seen to make money from the ads it displays or product sales. Search engines find new pages to list in the page ranks every day. Where yours ends up will largely depend on how well it has been optimized for those engines. You could just pay Google, Yahoo, or Bing to put your website at the very top and not even worry about SEO. I will wait here while you get an advertising proposal from a search engine for prime link space.