Reference: {T210660}
== Acceptance criteria
Verify that we are currently logging the following and identify where each one lives/how it can be retrieved:
[ ] Mobile web edit rate on target wikis
- blocked on T212959, otherwise fine
[] Mobile web edit rate on target wikis limited to users with 100+ edits
- blocked on T212959, otherwise fine
[] Rates of access to special pages overall (i.e. views, repeating the query from T198218)
- blocked on implementation of AMC X-Analytics tag
[] Rates of access and edits to the talk page of an article
- edits: blocked on T212959, otherwise fine
- views: blocked on implementation of AMC X-Analytics tag
[] Retention rate overall (for users with less than 100+ edits, via instrumenting the opt-in button, retention period TBD) [task needed, related spike: T211195]
[] Rate of switching from desktop to mobile? (T208457)