Today we want to discuss the way how to choose the right UX metric for your product that was elaborated by Google company. This framework is called HEART that is an acronym for happiness, engagement, adoption, retention and task success. These 5 criteria are really important as they determine the quality of user experience. The article also contains the details about Goals-Signals-Metrics process. It is useful to create a concise growth strategy of your product. We hope that this article will be useful for you.