A digital publisher harnessed MailerRocket’s powerful A/B testing and campaign optimization capabilities to maximize email performance by continuously refining subject lines, content, and CTAs.
Challenge
Without systematic testing, the client’s marketing team could not prove which creative, layout, or messaging approaches worked best. Growth depended on removing guesswork and adopting a test-and-optimize mindset.
Solution with MailerRocket
- Conducted regular A/B and multivariate tests on subject lines, copy, images, and CTAs
- Automated test splits, tracked real-time winner metrics, and auto-promoted best variants
- Used analytics dashboards to quantify improvements in opens, clicks, and conversions
- Systematically integrated successful learnings into ongoing campaign strategy
Results (Jan to Jun)
| Month | A/B Tests Run | Open Rate Lift (%) | CTR Lift (%) | Conversion Rate (%) |
|---|---|---|---|---|
| Jan | 2 | 3 | 2 | 2.2 |
| Feb | 3 | 5 | 3 | 2.7 |
| Mar | 5 | 8 | 4 | 3.6 |
| Apr | 6 | 10 | 6 | 4.8 |
| May | 7 | 11 | 7 | 5.5 |
| Jun | 9 | 13 | 8 | 6.1 |
Insights
- The number of A/B tests increased, giving the team more actionable learnings
- Open and CTR lift from winning versions steadily improved, illustrating the effectiveness of optimization
- Conversion rates from campaigns climbed rapidly as top-performing elements were identified and adopted
A/B Testing & Campaign Optimization case study showing test count, open/CTR lift, and conversion rates Jan-Jun.
Conclusion
MailerRocket’s streamlined A/B testing features enabled the publisher to consistently improve performance by letting real results drive campaign decisions. The ongoing optimization loop delivered measurable gains in open rates, click-throughs, and conversions, validating data-driven marketing as a key lever for success.
