Determine the winner with statistical confidence. Document what you learned. Roll out winning variants and feed insights into the next test.
Rating
Rating
Rating
Rating
Rating
From
€
393
per month
VWO provides A/B testing, personalisation, and behaviour analytics to optimise website conversion rates through data-driven experimentation.

Rating
Rating
Rating
Rating
Rating
From
€
39
per month
Hotjar captures user behaviour through heatmaps, session recordings, and feedback polls to understand how visitors use your website.

Rating
Rating
Rating
Rating
Rating
From
€
0
per month
Microsoft Clarity provides free session recordings, heatmaps, and user behaviour analytics without traffic limits or time restrictions.

Rating
Rating
Rating
Rating
Rating
From
€
12
per month
Flexible workspace for docs, wikis, and lightweight databases ideal when you need custom systems without heavy project management overhead.
Compare two versions of a page, email, or feature to determine which performs better using statistical methods that isolate the impact of specific changes.
Maintain an unchanged version in experiments to isolate the impact of your changes and prove causation rather than correlation with external factors.
Calculate how many users you need in experiments to detect meaningful differences and avoid declaring winners prematurely based on insufficient data.
Determine whether experiment results reflect real differences or random chance to avoid making expensive decisions based on noise instead of signal.
The percentage of engaged website visitors who submit their contact information and become leads.

Determine the winner with statistical confidence. Document what you learned. Roll out winning variants and feed insights into the next test.