Desktop product pages got a wider layout with all purchase options grouped around the add-to-cart button. Every key metric moved the wrong way.
A Wider Desktop Product Page Cuts Conversion Rate 6.0%


If we widen the product page and group the key purchase elements around the call to action, then conversion rate will increase because shoppers find it easier to understand how to buy.
What We Changed
- Widened the product page container on desktop.
- Grouped the title, price, selectors, add-to-cart button and shipping and returns notes into one right-hand section.
- Kept that section above the fold on standard desktop screens.
- Rebalanced spacing between the product images and the purchase section.
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 6.0% and revenue per visitor 19.8%, and the original had a 70.3% probability of performing better.
- Add-to-cart rate fell 11.6%, so the drop started before checkout.
- With 8,404 desktop visitors over 19 days, the result didn't reach significance.
- Mobile and tablet pages were unchanged, so this result applies to desktop only.
Detailed results breakdown
Conversion rate
-6.0%
Revenue per visitor
-19.8%
Add-to-cart rate
-11.6%
Orders
-13.1%
Average order value
-9.3%
Start with 3 experiments.
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Who qualifies?
30,000+ Monthly sessions.
Minimum traffic needed to run statistically significant tests.
Running on Shopify or Shopify Plus.
Our specialty - we don't work with other platforms.
Investing in paid traffic.
We work with stores committed to growth, not hobbyists.
Ready to invest in systematic CRO.
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Why free?
The best proof is results. Three real experiments show you exactly how we work and whether it drives revenue for your specific store. You keep everything - no strings attached.
Our bet
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Other experiments we've run

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Shoppers said shipping costs nearly stopped them from buying, so the free shipping threshold got more visibility on product pages. Here's what changed.
+2.4% Conversion rate

Product Page (PDP)
Inconclusive
Sticky Bottom Add to Cart Bar
The mobile version of the website was adjusted to reduce the bounce rate. Learn how these changes impacted user engagement and conversion metrics.
+7.6% Add-to-Cart Rate

Cart
Positive signal
Mobile Checkout Optimization
Optimizing the mobile checkout flow drove a dramatic increase in conversion rate and doubled orders despite a visitor decline.
+100% Orders
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