Ali Demirbaş - Lab
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Category & Listing

A/B Test Idea: Installment Badge on Product Cards

Showing an eligible installment offer on the product card may help shoppers who find the total price high consider a purchase.

  • Category listing
  • Revenue per visitor (RPV)

Control vs Variant

Absent on one side, present on the other.

Changed
Presence
Page
Category listing
Difference
added

Hypothesis

It makes the existing offer visible earlier without changing its terms, eligibility or price.

How to run this test

Primary metric

Revenue per visitor (RPV)

Compare revenue per assigned visitor; use conversion to help explain the result.

Other metrics

  • Purchase conversion rate (CR)Check whether the installment badge changes purchase rate.
  • Click-through rate (CTR)Check whether products with the badge receive more clicks.
  • Add-to-cart rateCheck whether shoppers take the first purchase step.
  • Cancellation and return rateTrack whether cancellations or returns increase because installment expectations were not met.

What to check before and during the test

  • BadgeAdd one predefined badge describing a current, eligible installment offer.
  • Keep constantKeep price, installment terms, eligibility, sorting and other card details unchanged.
  • MeaningMake clear that the installments split the same total price as the upfront price.
  • CategoryReview differences among eligible product categories.
  • Separate testsTest badge placement, size and wording separately.

Setup mistakes to avoid

  1. 1Show the badge only on products eligible for the stated offer.
  2. 2Do not make it large enough to overshadow the product image.
  3. 3Keep the badge from disrupting the hierarchy of card copy and CTA.
  4. 4Do not let it conflict with discount labels.
  5. 5Make sure it does not crowd the card or cover the image on mobile.