Detecting mobile devices is important as websites designed with large desktop computer screens in mind rarely perform well on a mobile device. Detecting such devices allows you to present content in the right fashion for the viewing device which improves website performance for your visitors and leads to better user experience. You will find many device detection products on the market and they all claim to be the fastest and most accurate but they do not provide proof. 51Degrees device detection solution achieves 99.97 percent accuracy with 5 million detections per second on hardware that costs less than 1000 USD which makes our solution the fastest, most efficient and hence most environmentally friendly. 51Degrees device detection is easy to deploy in PHP, .NET, Java, Perl, Python and C. In this article you will find test results for the 3 test hardware platforms we used as well as instruction on how to test our device detection solution in your environment in just 4 easy steps.