A/B Email Subject Lines to Test
Email campaign open rate optimization
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For a newsletter/email on the topic '[TOPIC]' sent to [AUDIENCE], generate 10 email subject line variants for A/B testing. Cover the following angles: curiosity, urgency, direct benefit, question, personalization, number, FOMO, humor, controversy, and simplicity. For each variant, provide: the subject line (max 50 characters), the associated pre-header (80 characters), and the estimated open rate. Indicate the recommended variant based on the goal [GOAL].
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