How do I get a report on subject line testing

Last Updated: 8/8/2025     Tags: subject line, subject lines, testing, optimisation, a/b testing
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If you deployed an activity with multiple subject line versions, the results would appear in an activity report.

Here is how you can view subject line performance in an online report.

  1. Be sure to check the activity was deployed with multiple subject lines. Below shows the activity editor with two subject lines.

Subject lines

  1. You can access an activity report on the activity editor screen, by selecting the graph icon top right of page.

Activity card report

Alternatively, you can access activity reports in the dashboard or campaign view. Clicking the graph icon on the activity card will display the online report view.

  1. Scroll down to ‘optimisation performance’ section.

Optimisation performance

Here you see a breakdown of the combinations including the top combination, in this case Subject Line 2. Following this is the breakdown of results for each subject line variation.

Tip: You can view reports in PDF and CSV formats too. You can access these views;

  • via the activity card menu Activity card report options

  • via the online report, top right hand side menu Online report options

Learn more about Activity reports here.