Traffic to e-commerce web sites from mobile devices grew by more than 300% year over year, according to an analysis of more than 18 million visits to numerous high-traffic e-commerce websites conducted by SEO technology company Conductor — a huge surge in usage to which marketers and retailers need to pay close attention.

Source: Conductor

Conductor looked at the traffic by device type, and found that 67% of visits coming from Apple iOS devices.  The iPad is the second-largest source of mobile traffic to these e-commerce sites, with Android devices a close third.

More details at Conductor’s blog.