You can try some of these steps to increase the number of visitors to your site:

Include useful high-quality information on your site.
Submit your site to various web directories and reference sites.
Publicize your site to everyone with whom you communicate.
Provide a Rich Site Summary
Write a newsletter and send it out.
Ask other high-quality websites to link to your website.
Provide motivation for highly ranked websites to link to yours.
Check out a site before you link back.
Keep your website up.
Translate your website into foreign languages.
you can also follow some technical method like Search engine Visibility service from TheWebPole.com