Landing Page CVR Split Test Significance
Scientific A/B test confidence calculator for e-commerce store optimization. Uses two-tailed Z-test formulas to determine if an increase in conversion rate (e.g. 2.1% vs 2.6%) is statistically significant or random noise.
Campaign Metrics
Live algorithm updates🎯 Variant B is a statistically verified winner with 99.3% confidence. Safe to push live 100%.
How to Use This Tool in 3 Easy Steps
Enter Control (A) Visitors & Orders
Input original page traffic and conversions.
Enter Variant (B) Visitors & Orders
Input test page traffic and conversions.
Check Significance
Verify if your result exceeds 95% confidence before deploying.
100% Private
Zero data collection
Instant Speed
<5ms client execution
Mobile Ready
Native app feel
100% Free
No account required
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Frequently Asked Questions (FAQ)
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