Mikolai Kowalski
Mikolai Kowalski

Mikolai Kowalski

Mikolaj combines his expertise in CRO with a background in web development, bringing a wealth of knowledge to every project. With a strong foundation in GA4 analytics, he excels in optimizing website performance and driving conversions.

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Mikolai Kowalski

Imagine running an A/B test where 100,000 users see your new design … or do they?

Imagine running an A/B test where 100,000 users see your new design … or do they?

Many A/B tests count impressions or pageviews even when users never see the change — which can lead to misleading data, slower decisions, and delayed significance.

March 5, 2026

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