What tools help with A/B testing?

A/B testing tools range from built-in ESP features to dedicated experimentation platforms:

ESP native testing in platforms like Mailchimp, Klaviyo, HubSpot, and Salesforce Marketing Cloud handles basic subject line and content tests with automated winner selection.

Statistical calculators like Evan Miller's calculator, AB Test Guide, and Optimizely's stats engine help determine sample sizes and significance.

Advanced platforms like Optimizely and VWO provide more sophisticated experimentation capabilities for teams running complex testing programs.

Analytics tools including Google Analytics help measure downstream conversion impact beyond email engagement metrics.

Start with your ESP's built-in tools. They handle most common testing needs. Graduate to specialized platforms when your program's sophistication demands it.

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