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What's an A/B test your ran where the results surprised you?

  • May 12, 2026
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GabbyEsposito
Community Manager
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One of my favorite parts of marketing is when an A/B test completely humbles your assumptions 😅

The version you were sure would win loses badly. The “safe” option somehow crushes the creative one. The tiny tweak ends up outperforming the full redesign.

Anyone else have a moment like this recently or one that has stuck with them since it happened? 

What’s an A/B test you ran where the results genuinely surprised you? 

Could be email, SMS, landing pages, timing, subject lines or anything else.

Also, if you’re new to A/B tests or want to strengthen how you run them in Klaviyo, I highly recommend this new training from the Academy team.