Adding popular collections to the 404 page encouraged users to continue browsing, leading to increased conversions and engagement.
404 Page Featuring Best Sellers


If we display the most popular collections on the 404 page, then bounce rates will decrease because it provides users a clear path to explore relevant products.
What We Changed
- Added links to popular collections on the 404 page.
- Provided visual cues to guide users to product categories.
- Included a call-to-action to encourage further browsing.
The Results
We dig through every data source to map what's actually broken. By the end, there's no confusion.
Change in amount of orders
Lift in conversion rate
Change in revenue per visitor
Key Learnings
- Displaying popular collections reduced user frustration on error pages.
- Offering clear navigation paths improved user retention.
- Increased visibility of products led to higher conversions.
- Clear calls-to-action encouraged users to stay and explore.
Detailed results breakdown
Average order value
-6.0%
Lift in conversion rate
+6.8%
Change in revenue per visitor
+0.3%
Change in amount of orders
+7.1%
Revenue change
NaN%
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

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+5.6% Conversion rate

Product Page (PDP)
PDP Updates Drive a 17.9% Increase in Cart Additions
Updates to the product page layout and cart button visibility led to increased user engagement and purchases. Discover the key improvements and their impact.
+17.80% (ACR) ACR

Collection Page (PLP)
Customer review-inspired FAQs on collection pages
Displaying FAQs at the bottom of collection pages increased conversion rates and reduced bounce rates. Read the full writeup.
+8.4% Conversion rate