This document contains 23 tips for optimizing a website for search engine optimization (SEO). The tips include using 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; creating SEO press releases; knowing competitors; adding new content regularly; ensuring usability; and building a network of backlinks.