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Testing Subject Lines & Preheaders

The most common (and most impactful) test. This section covers how to A/B test your subject line and preheader text to find what really drives users to open your email.

4 questions in this topic

Questions about Testing Subject Lines & Preheaders

What makes a good subject line test? Should I test length, personalization, emojis, or tone? How do I measure the success of a subject line test (opens vs. clicks/conversions)? Can preheader text be A/B tested?