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A/B tests that tell the truth.

Each test ends with a clear sentence and its impact on margin, in euros.

Preview of the app on the Maison Lune demo store: 8 tests, including the verdict for “Free shipping progress bar”.
Maison Lune / Experiments
TestStatusLift and range
Free shipping progress barCartConclusive. Proven gain61,240 visitors
+6.0%
Simplified mobile menuNavigationNot conclusive yet…day 9 of 13
+1.9%
Customer reviews at the top of the pageProduct pageNo detectable effect.64,100 visitors
-0.4%
“You may also like” recommendationsProduct pageStopped by a guardrail.stopped 3 h agoReturns +1.2 pts
One-page checkoutCheckoutSample ratio mismatch.19,800 visitorsHidden until diagnosed

Show the 3 other tests →

Free shipping progress bar

Revenue per visitor · 18 days

Conclusive. Proven gain

Showing progress toward free shipping: revenue per visitor +6.0% measured, +4.9% expected once corrected for the winner’s curse. The effect on margin isn’t established yet: +3.0% measured, range from -0.7% to +6.7%.

Adjusted expected gain+€125,700 per month