Product & Analytics / Web & Product Analytics
Session Depth / Screens per Session ~ (also "pages per session", "screens per session", "session length")
How many pages, screens, or actions a user moves through in a single sitting.
The fork, why two teams get different numbers
WHAT you count per session, and WHICH sessions form the denominator.
In the Metric Library
- The full fork, both definitions worked all the way through
- The trap that makes the number lie, on a real export
- Every formula variant, spelled out
- The reconciliation anchor, what to tie it to and when to refuse
Reference: Product-analytics convention (no governing body); GA4 / web-analytics session and screen_view conventions cited as reference; MRC Invalid Traffic guidelines