Stop Guessing. Start Testing. Let the Data Decide.
Every email you send without testing is a missed opportunity to learn. We run systematic A/B tests across subject lines, design, copy, timing, and offers — turning your Klaviyo account into a continuous optimization engine.
What's Included
Our Process
Test Prioritization
We identify the highest-impact testing opportunities in your Klaviyo account. Not all tests are equal — we start with the ones most likely to move revenue.
Hypothesis & Design
Every test starts with a clear hypothesis: what we are testing, why we think it will improve performance, and how we will measure success. No random experiments.
Execution & Monitoring
We set up tests in Klaviyo with proper sample sizes, run them to statistical significance, and monitor for anomalies. Rushed tests produce bad data — we do it right.
Analysis & Implementation
Winning variants are implemented permanently. Losing variants teach us something. Every test result feeds into a growing knowledge base about what works for your specific audience.
Results We've Delivered
Tools We Use
Frequently Asked Questions
You need enough volume for statistical significance — typically 1,000+ recipients per variant for campaign tests. For smaller lists, we focus on flow-level tests where traffic accumulates over time, giving you reliable data without needing massive sends.
We use standard statistical methods — 95% confidence level minimum. We never call a test based on gut feeling or early results. If a test needs more time or volume, we let it run until the data is conclusive.
Subject lines — always. They are the highest-leverage element because they determine whether anyone sees the rest of your email. After that, we test CTAs, design layout, offer structure, and send timing.
Continuously. We recommend having at least one active test running at all times — one in campaigns and one in flows. A consistent testing cadence compounds improvements over months and creates a significant competitive advantage.
Yes. We test send times, send frequency, segmentation approaches, popup designs, and flow timing. Anything that can be measured and varied is fair game. The best testing programs go beyond content to test the entire email experience.
Ready to Get Started with A/B Testing?
Book a free strategy call and let's build your email revenue engine.