Discover how moving the sticky "Add to Cart" button to the top of the page impacted user engagement and sales metrics.
Top Mobile Sticky Add-To-Cart
Goal
Conversion rate
Result
+16.4% Conversion rate
Category
Product Page (PDP)
Outcome
Winner
Before
After
If we move the sticky "Add to Cart" button to the top, then conversions will increase because users can access it more easily while viewing product details.
What We Changed
- Moved the sticky "Add to Cart" button to the top of the product page.
- Covers existing top bar and navigation elements when visible.
The Results
We dig through every data source to map what's actually broken. By the end, there's no confusion.
+16.4%
Lift in conversion rate
+14.0%
Change in amount of orders
+13.2%
Change in revenue per visitor
Key Learnings
- Easier access to the "Add to Cart" button increased user engagement.
- Reducing visual clutter improved product visibility.
- Improved product detail visibility led to higher conversion rates.
- A cleaner layout reduced bounce rates.
Detailed results breakdown
Add-to-cart rate change
+5.1%
Average order value
-2.7%
Click-through rate change
+4.0%
Lift in conversion rate
+16.4%
Change in revenue per visitor
+13.2%
Free Trial
Start with 3 experiments.
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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
Cart
Mini-cart redesign with highlighted checkout button boosts conversions and revenue
The minicart was redesigned to improve completion rates by making the checkout button harder to miss. Read the full details of this experiment.
+46.6% Revenue per visitor (RPV)
Collection Page (PLP)
Wider Collection Page
The desktop collection page was widened to improve product visibility and reduce clutter. Learn how this change affected user engagement.
+4.0% Clickthrough rate
Product Page (PDP)
Sticky Mobile Add-To-Cart Button
AFTCO tested a sticky mobile add to cart button to increase add-to-cart rates. Learn how this change impacted user behavior.
+3.9% Add-to-cart rate