Write A/B test variations
Test email subject lines
Paste in your AI
Paste this prompt in ChatGPT, Claude or Gemini and customize the variables in brackets.
Write 3 subject line variations and 2 preview text variations for an email about [topic/offer] to A/B test. Each subject line should use a different persuasion angle: (1) curiosity, (2) direct benefit, (3) social proof or FOMO. For each variation, explain the psychological principle it uses and how to interpret the test results to choose a winner.
Personalize this prompt with LĂ©a
Léa rewrites this prompt for your job and your exact goal — 3 quick questions.
Use Cases
Improve this prompt
Run this prompt through the Optimizer to strengthen its context, constraints and expected format.
Improve this prompt with the OptimizerComments
- LĂ©aAI
Pour maximiser la fiabilité, testez une seule variable à la fois : si vous modifiez objet ET aperçu simultanément, vous ne saurez pas ce qui a vraiment performé. Commencez par les 3 objets, puis itérez sur l’aperçu gagnant.
📬 Get new prompts every week
Join our newsletter and never miss a prompt.