Our references
Women’s clothing retailer belonging to the Mulliez group – 750 stores across 26 European countries.
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Pimkie’s case
How to increase online store revenue?
Objectives:- Define adequate, measurable KPIs
- Improve the performance of the conversion funnel
- Increase operational margins
- Improve user-experience
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What 55 did
Shipping and delivery costs optimization
We identified which elements should be tested:
- What impact if all shipping costs are merged instead of broken down into ‘preparation+delivery’?
- What minimum amount in cart should induce free shipping costs?
- We designed and delivered functional mock-ups
We launched and monitored an A/B test (2 waves)
- We analysed the statistical significance and strategic value of the results
- We recommended improvements to be implemented onsite
Conversion funnel optimizationWe measured the performance prior to test
- We analysed visitor navigation onsite
- We defined improvement targets
We conducted an A/B test comparing 3 new versions against the original:
- We tested 3 different funnels with an alternative treatment of quarantine and calls-to-action
- We measured in real-time the performance of each version against each other
- We implemented the winning version
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The results
We optimized shipping and delivery costs
- Merchandising fine-tuning: we identified the highest-converting way to present logistic costs
- 12.4% increase in conversion rate
We optimized the performance of the conversion funnel- Significant improvement after only 9 days of testing
- 19.7% increase in funnel completion rate
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David Edouart, International e-Commerce Manager Testimonial
Of the four competing versions simultaneously tested, it turned out that the best-performing version was the one we thought would perform the worse. Web testing is an absolute must to make the best decisions.

