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Email
Email Subject Line A/B Test Generator
Generate 20 email subject line variants across different psychological triggers for A/B testing.
Works best with: Copy.ai / ChatGPT / Claude
The prompt
prompt.txt
Generate 20 email subject lines for [EMAIL_TOPIC] targeting [AUDIENCE]. Create 4 subject lines for each of these psychological triggers: (1) Curiosity gap, (2) Genuine urgency or scarcity, only if the offer details support it, (3) Social proof, only if supplied in the brief, (4) Direct benefit, and (5) Personalisation or relevance. Each subject line should be under 50 characters. Mark the top 3 to test first, explain the hypothesis behind each, and flag any claim that needs brand or legal review.
Variables to replace
Replace the bracketed placeholders with your specific information before running the prompt.
[EMAIL_TOPIC]Replace with your email topic[AUDIENCE]Replace with your audienceWhen to use this prompt
Optimizing email open rates for paid traffic nurture sequences
Tags
Email MarketingA/B TestingSubject LinesOpen Rate