Latest / The Newsletter Podcast with Fexingo: Substack, Beehiiv, and Email Newsletter Business
How Newsletter Writers Use A-B Testing Subject Lines to Boost Open Rates
In Episode 98 of The Newsletter Podcast, Lucas and Luna dive into the science of A/B testing subject lines for email newsletters. They break down a real-world case from a 200k-subscriber marketing newsletter that tested '5 Growth Hacks' versus '5 Growth Hacks That Actually Worked' and saw a 22% lift in opens. The hosts discuss sample size minimums, statistical significance, and how Beehiiv's built-in A/B testing tool compares to Substack's manual split. They also touch on the psychology of curiosity gaps and the common mistake of testing too many variables at…
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