How Email List A B Testing Boosts Performance

The Email Marketing Podcast with Fexingo: Newsletters, Open Rates, and Subscriber Growth · Jul 7, 2026 · 7m · transcript

In this episode, Lucas and Luna dive into the art and science of A/B testing your email list. They explore why most marketers test the wrong variables, how to design statistically significant tests, and a real-world case from a mid-size e-commerce brand that doubled click-through rates by testing subject lines with a single word change. The hosts also tackle common pitfalls like sample size errors and confirmation bias, and share a simple framework for prioritizing tests that actually move revenue. Whether you're a solo creator or a marketing team of twenty, you'll walk away with…