This document provides 10 tips for improving a website's search engine optimization (SEO). The top tips include writing good, in-depth content; having an updated design and code without errors; using relevant keywords; keeping the site speed fast; ensuring all links work properly; using social media effectively; having simple, good navigation; avoiding duplicate content and spam; getting inbound links from other high quality sites; and focusing on relevance in all efforts. Following these tips can help a website achieve a higher search engine ranking.