End User Experience Monitoring also known by its acronym EUEM is the analytical process of understanding how a user experiences an application.
There are many tools and solutions available to help with EUEM, and most of them revolve around 3 basic ideas:
+ User Experience Management
+ Synthetic Monitoring
+ Real User Monitoring
User Experience Management uses code installed on web pages to monitor and capture details about every interaction.
https://dzone.com/articles/taking-a-major-step-to-better-end-user-experience/