Also known as split testing, this is a method where two versions of an email (A and B) are sent to a small portion of your list to see which one performs better. The winning version is then sent to the rest of the subscribers.
An automated email or sequence of emails sent to a subscriber based on a specific trigger, such as signing up for a newsletter or making a purchase.
The percentage of emails that could not be delivered to the recipient's inbox. Bounces are categorized as "hard" (permanent delivery failure) or "soft" (temporary failure).
A button, link, or instruction designed to prompt the reader to take a specific action, such as "Buy Now" or "Read More."
The percentage of recipients who clicked on one or more links contained in an email.