Subject Line Pro is a virtual subject line test that delivers real accurate results in seconds.
With Subject Line Pro, you can create a virtual simulation of your subscriber base to predict likely open, click and delivery rates for any given subject line.
Subject Line Pro's proprietary algorithm quickly predicts subjectline performance within 1-2% of actual click rates.
Unlimited access to Subject Line Pro's database of billions of subject lines
Ability to test up to 10 subject lines at once and get results instantly
Virtual simulation of your own data
Ability to test by industry
Technical support
LIVE A/B SPLIT TEST |
Subject Line Pro VIRTUAL A/B TEST |
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Sample Size | Usually < 10% of your database | Your entire database |
Time to Setup Test | 15 Minutes - 1 Hour | 30 seconds |
Time for results | Hours, if not days | Instant |
Lost revenues / conversion |
Losing best performance x sample size |
None |