Split testing lets you take the guesswork out of campaign design.
If you’re not sure which subject line to use or which content is most effective, an A/B split campaign is your opportunity to test both. By sending your mailing to your full list or a percentage of it that you choose (one group receives their email with subject line A, and the other, subject line B), you can determine a “winning mailing”.
Based on criteria like open rates or click rates, and sending the “winner” to the rest of your list
