Introducing a sticky Add to Cart button on mobile increased conversion rates by making it easier for users to purchase without scrolling.
Sticky Top Add-To-Cart Button


If we add a sticky Add to Cart button on mobile PDPs, then the mobile add-to-cart rate will increase because users can add items more easily without scrolling, reducing friction.
What We Changed
- Added a sticky Add to Cart button on mobile product pages.
- Ensured the button was visible at all times during scrolling.
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
- Persistent buttons help reduce friction during purchasing.
- Easier access to the cart can boost conversion rates.
- Improved visibility of the button enhances user engagement.
Detailed results breakdown
Add-to-cart rate change
-0.5%
Average order value
+2.6%
Click-through rate change
+1.0%
Lift in conversion rate
+6.5%
Change in revenue per visitor
+9.3%
Start with 3 experiments.
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30,000+ Monthly sessions.
Minimum traffic needed to run statistically significant tests.
Running on Shopify or Shopify Plus.
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