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A/B testing is a critical component of optimizing email marketing campaigns. In this blog post, we explain the fundamentals of A/B testing and how it can help you make data-driven decisions. We discuss the types of elements you can test, such as subject lines, content formats, and call-to-action buttons, and how to analyze the results effectively. By incorporating A/B testing into your strategy, you can continuously refine your approach and achieve better outcomes.