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Email A/B split testing

Take the guesswork out of email marketing and maximize subscriber engagement by testing which emails work best with each audience. You can set up free A/B split testing campaigns in seconds.

Increase revenue with email A/B testing

Gain insights that empower you to grow your business and increase revenue. Get to know your audience by discovering the types of emails they engage with so you can create content and offers that are relevant to them.

A/B test different email elements

Email A/B testing enables you to evaluate which variation of an email is more effective. Easily set up an A/B test as you would a regular campaign and choose the variable you want to test to get started.

Subject line A/B split test

Whether or not subscribers open an email depends on the effectiveness of the subject line, so it needs to make an impression. Increase open rates by testing out language, tone, length, personalization, emojis and more.

Sender A/B split test

The sender name helps subscribers recognize your brand; finding the variation that works is important for consistency and trust-building. Test out the sender name and email address to see which variation encourages the most opens.

Content A/B split test

Your email content is what drives engagement. In MailerLite, you can test variations of all aspects of your content including headlines, images, CTAs, and more to gain valuable insights into what subscribers like and optimize click rates.

Pick winning emails automatically

Set the audience sample size and winning criteria—opens or clicks— and MailerLite will automatically send the successful email to the rest of your subscribers, so you can sit back and relax. You can also select the winner manually.

View email A/B test results

Check the results of your email split testing on the reports page. See how subscribers respond to different types of emails, and use these insights to drive your next round of testing and optimize future campaigns.

Ready to try MailerLite?

Our free plan includes access to the most important email marketing features including free A/B testing, automation, landing pages and more. Sign up in seconds. No credit card required.