The custom reports changed in the June 2020 release of Google Analytics in Confluence. This page is for the legacy version of the app.
For users of the current version, view Custom Reports in Google Analytics.
This is a drill down reports that allows you to list content by space, page and page context.
The report is available for import at the following web address:
Here is a list of Space Keys – (not found) and (not set) are normally for Confluence pages which do not have a space, e.g. the dashboard and the people related pages.
List Space Content
Here is a list of pages for the space key analytics:
List Content Context
Here, we can see that the page has been viewed 3 times and edited once: