An unsubscribe rate is what share chose to stop receiving your email. Watch the unsubscribe rate.
It is the most honest measure there is, since it costs the reader effort to do. A rising unsubscribe rate means the emails are wrong rather than that the list is tired.
1noununsubscribe rateWhat share chose to stop receiving your email.
“The unsubscribe rate tripled the week they started sending daily.”
unsubscribe rate is a measure.
Practised in Marketing & Advertising