In the order they arrived, from the first email after signup.
How often, when and how Heatmap.com emails its subscribers, measured from every email we received.
Every subject line and preview text, in the order they arrived.
We captured 1 email from Heatmap.com after signing up, all event invite emails.
Its only email arrived 11 days after signup, it sends with HubSpot and its designs lean green.
Its subject line is 43 characters long.
