There are four keys to good SEO.
(1) First, you must research the amount of traffic various keywords are receiving.
(2) Second, you must modify your site to include the exact keywords phrases in the meta tagging and text.
(3) Third, you must add and add and add content to your site. The more content, the more the big three will like your site.
(4) Finally, you must trade links with other sites that have content related to your site.