The mobile product customizer put the text input first and kept placeholder examples to guide shoppers. See how 21,984 visitors responded.
Input-First Mobile Customizer With Placeholders Shows a 2.8% Conversion Rate Lift


If we combine an input-first flow with placeholder guidance in the mobile customizer, then add-to-cart rate will increase because customizing feels clearer and shoppers get exactly the product they want.
What We Changed
- Moved the text input to the start of the mobile product customizer.
- Kept placeholder examples in the customizer to show shoppers what to enter.
- Combined these two patterns from earlier customizer tests into one version.
The Results
How the new version compared with the original, across all devices.
Conversion rate
Revenue per visitor
Add-to-cart rate
Key Learnings
- Conversion rate rose 2.8%, but the variant had only a 67.5% probability of beating the original.
- On mobile, where most visitors shopped, conversion rate rose 4.5% and bounce rate fell 9.1%.
- Add-to-cart rate, the metric the hypothesis targeted, was flat (-0.6%).
- The 12.0% revenue per visitor gain leans on a small desktop sample, so read it with caution.
Detailed results breakdown
Conversion rate
+2.8%
Revenue per visitor
+12.0%
Add-to-cart rate
-0.6%
Click-through rate
+7.1%
Bounce rate
-9.0%
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