What's the best day to send your email marketing campaign? What time? What kind of subject line works best?  The only way to know for sure is to experiment with your campaigns. The most common way to experiment is to run an A/B split test.

In this article:

A/B Split Test Ideas

You can use MailChimp's email optimizer to run A/B tests on subject lines, from names and send dates and send times.

Here are some quick ideas for A/B testing experiments that you can run on your email campaigns with MailChimp:

  • What day of the week gets you better open rates?
  • What time of day works best for your promotional (e-coupons, special sales, "act now!" etc) campaigns?
  • What day/time works best for your informative "newsletter" campaigns?
  • What subject line style works best? Hard sell? Soft sell?
  • Should your subject line always include your company name? Or should it be a long, descriptive subject line detailing what's inside the message?
  • Is it better to use your company's name in the "From" line, or a human's name?
  • Does time of day affect overall click rate?

Running A/B split tests on your email marketing campaigns used to be pretty complicated. You had to setup "random slice" segments, create two campaigns, check stats, then send a final campaign. Most people barely have enough time to send one campaign, let alone two additional tests. Well, we just made A/B testing your email campaigns easy and automatic.

Other A/B Split Resources

Note

A/B Split campaigns are an advanced feature available immediately for accounts on paid plans (monthly and pay as you go). On the Forever Free plan this feature will unlock automatically after a few campaigns have been sent and reports tracked.

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