GA4 Tip: Understanding Pageview and Screenview Dimensions and Metrics
If you have a GA4 property receiving events from web and mobile app streams, you may be confused about the Pageview and Screenview dimensions and metrics in reports.
To help you understand them better, I came up with the following table to illustrate how the recording (input) affect the “unified” dimensions and metrics in reports (output):
In short:
When recording
- For web, you use event = page_view, and parameters page_location and page_title
- For mobile app, you use event = screen_view, and parameters screenName and screenClass (please refer to the Firebase SDK documentation for the actual parameter formats)
When reporting
To get the web page / mobile app screen details
You can use these “unified” dimensions:
- Page path and screen class
(I use this the most) - Page path + query string and screen class
- Page title and screen class
- Page title and screen name
To get the web pageview count
You can do it multiple ways, some examples:
- Event count metric where Event name = page_view
- Views metric where Platform = web
To get the mobile app screenview count
Likewise, you can do it multiple ways:
- Event count metric where Event name = screen_view
- Views metric where Platform = Android or iOS
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