™Performance
A/B Test Results
Impressions, clicks, and click-through rate per variant and language. Statistical significance via two-proportion z-test (p < 0.05). At least 30 impressions per language required for reliable results.
Methodology
- • 50/50 random assignment via session cookie (30-day expiry).
- • Impressions recorded via IntersectionObserver at 50% visibility threshold.
- • Clicks recorded on onClick event before navigation.
- • Two-proportion z-test; significance threshold p < 0.05.
- • Data stored in-memory; resets on server restart.
- • Active experiments: cta-hero (homepage hero), cta-header (site header).