When you talk Social Media most people immediately refer to two options: Facebook and Twitter. So when a company decides it wants to go and implement Social Media on its website, they right away put up the Tweet and Like or Share buttons. But the question is, what drives the most traffic and what drives the most conversion?

When it comes to driving traffic in the US there is a for some surprising winner to this ‘contest’: not Facebook or Twitter, but Stumbleupon is the biggest social traffic driver in the US. That is what numbers over 2010 from Statcounter show us. StumbleUpon accounted for about 43%, while Facebook accounted for about 38%. Twitter was only good for 5%, a little bit less than YouTube (7%) and a little bit more than Reddit (4%). (more…)