Email marketing manager has a feature called Compare Subjects, with this functionality, Emercury users can compare statistics for campaigns with multiple subjects. To access this feature access your Dashboard and click 'REPORTING'.
Select the 'Report ID' from the list of ALL REPORTS to view and double click it.
You will see a COMPARE button if your campaign has multiple subjects.
Clicking the 'Compare' button you will get this popup. You will see a comparison of your campaign with multiple subjects. You may hit the 'Close' button once you're done.
