Product: Product Page — : Floating Buy Box
Hypothesis
If we test a similar change on our product pages as rejected, we should be cautious
Test Results
Key Learning
Problem: Key actions on the product disappear as users scroll, creating a gap between intent and the ability to act.
What was tried: rejected this UI change (Oct 16, 2023). Rejection suggests the change underperformed the control
Why it failed: Major layout changes often lose because they disrupt learned user behavior. Test smaller, incremental layout tweaks instead.
How to Apply This to Your Site
This test showed that product: product page — : floating buy box hurt conversions. The change was tested on a product page page in the e-commerce industry. Avoid replicating this exact approach — instead, consider testing the opposite direction or a more subtle variation.
Before you test: Consider that layout tests typically require adequate traffic to reach statistical significance. Run your test for at least 2 full business cycles to account for weekly traffic patterns.
What Was Tested
recently ran an experiment were they floated their buy box on product detail pages. It's a pattern with a pretty good track record of delivering positive results across past experiments. But as many patterns, it doesn't always win. And in 's case, two months after first detecting their experiment, it also seems that they might have rejected their variation - hinting at a superior control.
Methodology
Build On These Learnings
Save your own experiments, spot winning patterns across your test history, and stop repeating what's already been tried.
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