Hi,
I tried to analyse the statistic between 2 pages in our web application to see the difference between user experience (screenshot below). By looking at statistics of 2 pages, it does not make sense to me in several ways:
- In the first pic, I got APDEX = 0.34 < APDEX = 0.79 in second pic. Meanwhile all other stats in first pic are better compared to sencond one including error rate, visually complete for load action, user action duration for XHR actions. How come this happens?
- In second pic (the one with APDEX=0.79). Why the number of users is Larger than the number of sessions and pageviews? As far as I know number of users is unique users count (based on cookie), and one user should have many or more sessions/ pageviews?
Can you please explain the above?
P/S: The two screenshot is captured from the same application and same time period. Also, I have tried to investigate by looking on some other metrics like filter by XHR action/load action, etc.
Thank you.
Apdex takes into account a ton of variables. Rage clicks, Errors, timings etc. Like you said there are two different page groups so I'm going to list your primary questions and hopefully provide clarity on them:
- In the first pic, I got APDEX = 0.34 < APDEX = 0.79 in second pic. Meanwhile all other stats in first pic are better compared to sencond one including error rate, visually complete for load action, user action duration for XHR actions. How come this happens?
Have you defined out any custom errors or set to ignore any errors? Within each application you have the ability to exclude certain errors from any construct independently, like Apdex calculations but still total up the overall count of errors - See link: https://docs.dynatrace.com/docs/shortlink/apdex#error-impact It could be possible that one of the page groups ignores more errors in that page group over the other and excludes it from the overall Adpex Calculation. - In second pic (the one with APDEX=0.79). Why the number of users is Larger than the number of sessions and pageviews? As far as I know number of users is unique users count (based on cookie), and one user should have many or more sessions/ pageviews?
It most like is going to be your synthetics. If you look at G1 and G2, One of those Page Groups have a much larger set of synthetics. To help rule this in/out, I recommend tossing in a filter in the page group to only look at real users.you might need to also take into account the type of synthetics.
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