Websites & CRO

A/B Test Significance Calculator

Enter the visitors and conversions for your control and variant to see the lift and whether the difference is statistically significant.

Result

0% Confidence the variant is different
Control conversion rate0%
Variant conversion rate0%
Relative lift0%

Two-tailed two-proportion z-test. "Significant" uses the common 95% confidence threshold — it is not a substitute for adequate sample size or run time.

Websites & CRO

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