1-ALWAYS try to find popular key terms. You can use search term suggestion tools like overture. Overture will pull up a page full of related search terms in order of their importance.
2-ONLY find key terms related to your business and your website content. Unrelated key terms DON’T give you any targeted visitor.
3-Use suitable key terms throughout your Home-page and important pages.
4-Search your key terms in popular search engines like Google, Yahoo, MSN, AOL, Altavista, … DON’T waste your time with Non-popular search engines.
5-USE Google toolbar and see “PageRank” while visit each website you find.