Something “works” when it not only does what it is supposed to do, but it also does its job “well”, which means in a short time and through a simple and pleasant process that does not frustrate the user. Today, in the world of e-business, a simple slowdown can mean a lost customer: a few errors in information systems have huge negative impacts on number of conversions. Moreover, with today’s rapid adoption of hybrid cloud technologies, making systems observable, fast, scalable and stable it is a challenge that can no longer be postponed. Digital Performance Management is a necessity to avoid losing customers and to improve users happiness.