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 Léa
Answer 3 questions and Léa tailors the prompt to your situation.
Use Cases
Learn more
Check the full skill on Prompt Guide to master this technique from A to Z.
View on Prompt Guide📬 Get new prompts every week
Join our newsletter and never miss a prompt.
Similar Prompts
Write a Compelling B2B Client Case Study
This prompt generates a structured B2B case study designed to maximize commercial impact, highlighting quantified results and the client voice.
Optimize a Landing Page to Boost Conversions
A comprehensive prompt to analyze and optimize every element of a landing page: headline, copywriting, CTA, social proof and A/B testing plan.
Write a Professional Press Release
This prompt generates a press release in standard journalistic format, ready to send to media outlets, with all sections required by newsrooms.
Optimize your conversion funnel
To improve conversions and reduce CAC