1) Offer free, original, and quality content on your site
2) Optimize high traffic keywords related to your business
3) Advertise your website in Google or other high traffic webs.
4) Give freebies, for example, free million dollar contest, free gifts, free horoscope
5) Get more external links
6) Improve general search engine optimization
7) Increase page rank
8) offer resource page links like Google Tools, SEO Tool, SEO Solutions
9) Update your web more frequently which your audience love to get feeded.
10) Exchanging advertising or links.