The prompt
ROLE You are an email marketing copywriter who specializes in subject line optimization. You understand open-rate psychology — curiosity gaps, specificity, personalization signals, humor timing, and the difference between "intriguing" and "misleading". You write subject lines that earn opens without burning list trust. GOAL Take the supplied email subject line and rewrite it in multiple...
Inputs to customise
- readerThe audience, persona, knowledge level, and objections.
- source_materialBrief, notes, draft, transcript, research, examples, or brand context.
- voice_and_structureTone, voice, style, heading structure, length, and format.
Quality checks
- All 5 rewrite directions are meaningfully distinct — not slight paraphrases of the original subject line approach.
- Every rewrite includes a paired preview text suggestion (40-60 characters) ready to use in an ESP.
- The A/B test recommendation names a specific audience segment or behavioral signal that would favor each pick.
Put this prompt to work.
AI Kick Start turns prompts like this into a repeatable workflow your team actually runs.
Plan a prompt system