In the order they arrived, from the first email after signup.
How often, when and how Mozilla emails its subscribers, measured from every email we received.
Every email Mozilla sent in its first month, grouped by the day it arrived.
Day 0
Signup day
Day 3
3 days later
Day 5
2 days later
Every subject line and preview text, in the order they arrived.
We captured 3 emails from Mozilla after signing up: account verification and event invite emails.
33% of its emails arrived on the day we signed up, its designs lean blue and 33% of its emails use single cta.
Its subject lines run about 57 characters, and 33% are questions.
