TweakMode explains every result in plain English. No p-values. No jargon. Just clear answers.
Start free →See the same experiment result two ways. TweakMode gives you the one on the left.
Variant B increased signups by 12%. We tested 3,820 visitors over 7 days. We're 97% confident this is a real improvement, not random noise. Variant B is now the default.
p < 0.03
z-score 2.17
χ² = 4.72
CI [0.04, 0.20]
n = 3,820
TweakMode uses proven statistical methods so you can trust every result.
We never declare a winner unless we are at least 95% sure the improvement is real.
TweakMode calculates the minimum number of visitors needed before any experiment starts.
TweakMode handles early stopping correctly. You can look at results anytime without inflating false positives.
Instead of confusing p-values, TweakMode tells you the probability that one variant is better than another.
TweakMode tracks the metrics that drive real business outcomes.
Percentage of visitors who click a target element.
Percentage of visitors who complete a goal action.
Percentage of visitors who leave after one page.
How far down the page visitors scroll on average.
Average duration a visitor spends on the page.
Average revenue generated per unique visitor.
Every experiment goes through a clear progression from data collection to automatic winner application.
Collecting visitors. Too early to tell. Results will appear soon.
One variant is leading, but we need more data to be confident.
We are 95%+ confident this is a real improvement. Winner is applied automatically.
The winning variant is now the default. The original has been replaced.
See what TweakMode would measure and improve on your site.