Media & Publishing / Newsletter
Newsletter Open Rate & Click Rate ~ (aliases: email open rate, CTR, CTOR click-to-open rate, unique vs total opens)
What share of a newsletter send got opened and clicked, the core email engagement numbers, now badly distorted by privacy features.
The fork, why two teams get different numbers
Every term here forks.
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: email-marketing measurement convention (no single standards body); Apple Mail Privacy Protection behavior (reference); M3AAWG messaging metrics guidance (reference)