This document contains 23 tips for search engine optimization (SEO). The tips include including title, meta and description tags; maintaining a keyword density between 5-8%; using keywords in the domain name and content; researching keyword variations; building quality backlinks; adding credible outbound links; designing with SEO in mind; using SEO tools; employing ethical techniques; having SEO press releases; knowing competitors; avoiding unethical tricks; limiting flash use; regularly adding new content; ensuring easy navigation; and building quality backlink networks.