i think the SMO is the best way of increase your website traffic by using the Social networking sites. there are many sites of social networking but the good sites are facebook, twitter, Google Plus, Tumblr, Pinterest, Hi5, linkedin, digg, foursquare and myspace all these social networking website are high page rank and high traffic.

Well, you can use social media sites for increasing the traffic of a website.

You have to share quality posts, discussion and more information about your website in order to generate visitors from social media sites.