There are so many articles and research about increase website traffic. The follow methods are helpful to increase your website traffic:
1) Optimize high traffic keywords related to your business
2) Advertise your website in Google or other high traffic webs.
3) Give freebies, for example, free million dollar contest, free gifts, free horoscope
4) Get more external links
5) Offer resource page links like Google tools, SEO tool, SEO services
6) update your web more frequently which your audiences love to get feed.
7) Exchanging links.