Marketing / Advertising
Viewability Rate viewable rate, in-view rate, viewable %
The share of your ad impressions that actually had a chance to be seen.
The fork, why two teams get different numbers
The fight is over 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: MRC/IAB Viewable Ad Impression Measurement Guidelines (reference)