Adding a "This product is eligible for free shipping" message on the product detail page increased purchase confidence and improved conversion rates. Learn how this change impacted customer behavior.
Adding Free Shipping Message Boosts Conversion and Revenue on Product Pages


IF we display a clear "This product is eligible for free shipping" message on the PDP, THEN conversions will increase, BECAUSE it reduces uncertainty about additional costs.
What We Changed
- Added a clear message about free shipping eligibility on the product detail page.
- Positioned the message prominently to catch customer's attention.
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
Revenue change
Lift in conversion rate
Key Learnings
- Clarifying shipping costs increased customer confidence.
- Highlighting free shipping reduced purchase hesitation.
- The clear message improved conversion rates and revenue.
- Small changes in messaging can significantly impact customer behavior.
Detailed results breakdown
Add-to-cart rate change
-2.9%
Average order value
+8.8%
Click-through rate change
-1.5%
Lift in conversion rate
+21.0%
Change in revenue per visitor
+31.7%
Start with 3 experiments.
Zero cost.
Get a taste of our service. We'll analyze your store, pinpoint low-hanging fruit, design, implement and test solutions to lift your conversion rate in 30 days.
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.
You understand testing takes time - no magic bullets.
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
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.
Limited spots
We take only 4 free trials monthly to maintain quality. Each trial gets our full attention and expertise. If you qualify, secure your spot before this month fills up.
Other experiments we've run

Homepage
Personalized Homepage for New vs Returning Visitors
Learn how personalizing the homepage for new and returning visitors increased conversion rates significantly. Read the full write up.
+621.9% Revenue per visitor (RPV)

Search & Navigation
Navigation & Footer Redesign Boosts Desktop Engagement but Challenges Mobile Conversion
The navigation bar was redesigned to improve user engagement and browsing efficiency. Discover how these changes impacted conversions and user behavior.
-22.52% (CVR) CVR

Product Page (PDP)
Product Page AOV-Focused Redesign
A product page redesign focused on increasing average order value lifted AOV by 19.7% but decreased conversion rate by 9.9%.
+19.70% (AOV) AOV