In recent years, the evolution of interactive technologies has taken a turn where the importance of user experience and satisfaction has become the center of attention. This research explores the relationship between the smallest interactive details in a digital design, and the user experience of it. The thesis focuses on understanding what factors, regarding the micro-interaction’s feedback, that affect the user experience and how these factors can later be used to effectively design micro- interactions. Micro-interactions are defined as small interactive details that respond to user interaction. The feedback of a micro-interaction is what visualizes that response to the user. Little research has been done on the feedback of micro- interactions and therefore this study aims to investigate the feedback’s capacity to influence the user experience of a digital interface.  The method of this study is of qualitative character and relies on triangulation where three different types of data were combined to increase the validity of the results. The 22 respondents participating in this study each answered 10 interview questions, 21 survey questions, and were observed while interacting with two different prototypes - one neutral and one with manipulated micro-interactions. The findings indicate that the feedback of micro-interactions strongly influences the user experience of a digital interface. These findings, combined with relevant research of this area, served as the academic foundation on which design factors were produced, and the research question was answered.