As interface designers, we know that one of the most crucial dimensions of design — and of the user experience — is aesthetics. There is even a well-known psychological principle that captures this idea: the Aesthetic–Usability Effect (Nielsen Norman Group), which refers that people tend to perceive beautiful interfaces as more usable:
People tend to believe that things that look better will work better — even if they aren’t actually more effective or efficient.
Over the past decade, however, our field has undergone a true revolution: the conversation has shifted heavily toward UX, research, testing, and metrics. As an example, let’s look at Google Trends data for the topic User Experience Design. While these are not absolute numbers, the relative interest clearly shows that since 2015, interest in UX has grown by nearly tenfold.