Ads & campaigns
Email subject line test template
Choose a subject line that communicates relevant content without misleading expectations. Start with a comparison brief, follow-up questions, and rating scales.
Use this concept testEditable starter · English content
What you want to learn
Choose a subject line that communicates relevant content without misleading expectations.
Target audience
[Subscribers who opted in to messages on this topic]
Inside the template
Your starting brief
Compare subject lines for [your email campaign]. Show the same sender and preview text with each subject line in a neutral inbox-style card. Keep the underlying email content constant.
Add your product details and review the concepts before launching the study.
Comparison and follow-up questions
- Which subject line makes the email seem more relevant to you, and why?
- What content would you expect inside?
- Which words make the subject useful or easy to ignore?
- What could feel exaggerated or misleading?
Rating scales
Five points, from “Not at all” to “Extremely”. Review the wording for your study.
- Content clarity
- Relevance
- Interest in reading
How to use this starter
- When should I use this concept test?
- Use this when you need to choose a subject line that communicates relevant content without misleading expectations.
- What should I customize before starting?
- Show the same sender and preview text with each subject line in a neutral inbox-style card. Keep the underlying email content constant. Recruit subscribers who opted in to messages on this topic.
- How should I use the feedback?
- Use this feedback to revise the message. Measure actual opens, clicks, and purchases in a live campaign experiment.
- What opens when I use this template?
- An editable concept-test draft with the brief, comparison prompt, follow-up questions, and five-point rating scales shown here. Replace the placeholders and review the settings before generating concepts or collecting responses.
Prepare your next step
Explore a related starter or browse the full collection.