End user experience monitoring continuously tests the performance of business-critical applications from the perspective of end users. It quickly tells you about any degradation in performance, responsiveness, or availability that users may experience. This can help you avoid significant problems that can lead to poor customer satisfaction, lost revenue, and negative brand impact.
Real User Monitoring and Visual Monitoring are both user-centric strategies to ensure that quality metrics important to users are maintained. Their underlying methodology, however, is different, leading to a separate set of advantages and disadvantages for each approach. The proactive nature of visual monitoring can help you discover and remedy problems before users even notice them.