Wingify × La Redoute (Portugal)
Wingify x La Redoute, A/B testing free shipping lifts RPV 2.7%
2.7% increase in RPV; +11,600€ revenue over 6 weeks
Uncertain approach to proven uplift
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Why it works
The story grounds the test in a concrete behavioral observation: Portuguese shoppers had lower spending power and higher cart abandonment than French shoppers, which gives the hypothesis a clear rationale. The euro figures (11,600 over six weeks, projected 100,500 annually) make the outcome tangible without overstating certainty. The two-variation structure adds a useful nuance, showing that message framing mattered even within the same incentive type.
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Anchor the projected annual value to the short test window with an explicit extrapolation, letting readers do the math themselves while keeping the claim honest.
Click to enlarge ↗ This is editorial commentary and curation. The case study, screenshot, and all metrics are Wingify's published work; we link to the source and lead with our analysis.