The product page got a cleaner top section, short testimonials above the fold and a how-it-works explainer. Mobile sales fell, and testing showed the cost.
Product Page Redesign With Testimonials and a How-It-Works Section Cuts Conversion Rate 9.0%


If we simplify the top of the product page, add testimonials and include a clear how-it-works section, then conversion and add-to-cart rates will increase because shoppers get key information and reassurance sooner.
What We Changed
- Simplified the top of the page around the gallery, title, price, size selector and add-to-cart button.
- Reduced clutter and improved spacing so key actions stand out.
- Added two or three short testimonials above the fold.
- Added a visual how-it-works explainer below the main product content.
The Results
How the new version compared with the original, across all devices.
Conversion rate
Revenue per visitor
Add-to-cart rate
Key Learnings
- Conversion rate fell 9.0% and revenue per visitor 10.0%, so the redesign lowered sales.
- On revenue per visitor, the metric the test targeted, the original had an 84.5% probability of performing better.
- Mobile took the loss, with conversion rate down 11.5% on mobile, while desktop revenue per visitor rose 6.7%.
- A full redesign changes many things at once, so testing parts separately would show which one hurt.
Detailed results breakdown
Conversion rate
-9.0%
Revenue per visitor
-10.0%
Add-to-cart rate
-5.6%
Orders
-8.8%
Average order value
-2.2%
Start with 3 experiments.
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30,000+ Monthly sessions.
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Other experiments we've run

Product Page (PDP)
Positive signal
A Product Info Accordion and Features Carousel Shows a 15.7% Conversion Rate Lift
Product details moved into a closed accordion, and the side-by-side features section became a swipeable carousel. See how a simpler page changed sales in 16 days.
+15.7% Conversion rate

Product Page (PDP)
Positive signal
A Desktop Product Image Grid Shows a 16.7% Conversion Rate Lift
Desktop product pages swapped the image carousel for a static grid that shows every photo at once. See how it changed adds and orders.
+16.7% Conversion rate

Collection Page (PLP)
Positive signal
A Selling Fast Badge on Product Cards Shows a 5.9% Conversion Rate Lift
Selected product cards on collection pages got a "selling fast" badge to add urgency. See how 54,098 visitors responded over 34 days.
+5.9% Conversion rate
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