1) Make the website about one thing.
2) Mention keywords where they matter most.
3) Link to internal pages on your site.
4) Use a permalink structure that includes keywords.
5) Remove anything that slows down your website.
6) Use keywords in your images.
7) Link to other websites with relevant content.
8) Update your website frequently.
9) Make sure your website is indexed in search engines.
10) Have other websites link to you.