Adding a free shipping message to the product page was tested to see if it boosts conversions. Discover how this simple change impacted customer behavior.
Adding Free Shipping Message Boosts Conversion


If we display a clear free shipping message on the PDP, then conversions will increase because users will feel more confident about their purchase by reducing uncertainty about additional costs.
What We Changed
- Added a "This product is eligible for free shipping" message on the product detail page.
The Results
We dig through every data source to map what's actually broken. By the end, there's no confusion.
Change in revenue per visitor
Average order value
Lift in conversion rate
Key Learnings
- Highlighting free shipping increased user confidence and reduced purchase hesitation.
- The message led to higher average order values, suggesting users bought more or higher-priced items to hit the threshold.
- Revenue per visitor improved, indicating more effective conversion from visits.
- Conversion rates increased, but total order count remained stable, showing more value per transaction.
Detailed results breakdown
Average order value
+7.0%
Lift in conversion rate
+3.7%
Change in revenue per visitor
+10.9%
Change in amount of orders
0.0%
Revenue change
NaN%
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.
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Ready to invest in systematic CRO.
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Our bet
We're confident enough in our process to invest our time upfront. If the tests work, you'll see the value in continuing at $5,950/month. If not, you got free optimization work.
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Other experiments we've run

Product Page (PDP)
Mobile Layout Adjustments
Mobile layout changes led to a 4.2% conversion rate decline and 6.1% RPV drop. Learn what went wrong and the key takeaways.
-4.24% (CVR) CVR

Product Page (PDP)
Adding Return Policy Link on Product Pages Boosts Customer Trust and Conversion Rates
Adding a return policy link to product detail pages aimed to boost conversions by reducing purchase hesitation. Discover how this change impacted key metrics.
-6.0% Conversion rate

Collection Page (PLP)
Clickable size buttons on collection pages
Adding clickable size buttons to product cards on desktop streamlined the shopping process, enhancing the add-to-cart rate.
+0.0% Conversion rate