Have a look at your Google Analytics statistics and look at the technology report. It will show you what percentage of visitors are looking at your site on their phone or tablet. On most sites mobile traffic is growing rapidly and is between 5% and 20%.
iPad is currently the leading mobile device for consuming website content. On most sites iPhone is a close second, followed by Blackberry, Android and other tablet devices. immediaC uses responsive technology to guarantee your site looks great on every screen and device.