This template is for:

Conversion rate optimization (CRO)

Email marketing

Content marketing


Preference testing

Usability testing

Created by:



Prevent your marketing emails from ending up in spam folders.

Use this pre-built template to identify the optimal email subject line that resonates with your audience, and the reasons why. Empower your team to maximize the potential of your email campaigns and email newsletters by ensuring better deliverability, higher open rates, and increased engagement. Don't let valuable content get lost in spam – choose subject lines that truly resonate with your audience.

This template will help you discover

  • The email subject lines that that resonate best with your target audience.

  • Subject lines that yield the highest open rates and click-through rates.

  • Phrases or words that effectively grab your audience's attention.

  • Ways to enhance your subject lines and overall email marketing strategy.

  • The performance of your subject lines among diverse audience segments (e.g. demographics, location, interests).

How to use this template

  1. Click on the "Use this template" button and log in to your Lyssna account. Don't have an account yet? Start exploring with a free plan.

  2. Modify the test to suit your needs.

  3. Preview your test or press save and continue to recruit your participants.

  4. Set your test live and wait for your results!

Frequently asked questions

What is email subject line testing?
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Why is it important to test my email subject lines?
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How many subject lines should I test?
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What factors should I consider when testing email subject lines?
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How often should I test my email subject lines?
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Aaron Shishler,

Copywriter Team Lead at

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