As part of setting up application performance monitoring framework , this is very critical to measure end user experience. End user experience monitoring sits on the top of APM framework. Further business judge their web application performance in terms of responsiveness of application. There are two approach by which we can monitor end user experience :
1. Real User Monitoring ( RUM)
2. Synthetic Monitoring
Real User Monitoring ( RUM):
While server side performance can be measured by looking HTTP requests in data center, full page load experience which includes downloading of static contents, rendering page, executing java script - can not be seen from server monitoring aspects. Real User Monitoring is the practice of using java script agent embedded in web page to gather performance data about end user's browsing experience.
Synthetic Monitoring:
Synthetic performance monitoring involves having external agents which run scripted transaction against web application. These scripts are meant to follow steps which is expected from typical user behavior. This might be searching product , log in activity, hotel booking etc. Synthetic monitoring don't track real user's session.
We have to careful while setting up monitoring , which one best suites to our needs. While Synthetic monitoring provides details about reliability, availability whereas RUM provides real user browing experience.
Happy Monitoring !!!!!
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