Sticky add-to-cart bar on desktop: +69% revenue per visitor
Test run byBlend CommerceCRO agency
Commentary byLiftArchiveOur analysis, not theirsA sticky add-to-cart bar on desktop product pages lifted revenue per visitor by 69% for automotive parts brand Aeromotive.
Blend Commerce ran this A/B test. Begin-checkout rate rose 4%, but conversion rate was not reported.
- Revenue per visitor: +69%, the primary metric.
- Begin-checkout rate: +4%.
- Conversion rate and order value were not shared, so it is unclear whether the gain came from more orders or bigger ones.
The change
A sticky desktop bar keeps name, price and add to cart in view while scrolling.
Simplified mockup drawn by LiftArchive from the shared screenshots.
Control
On desktop product pages, the add-to-cart button scrolled out of view as shoppers read specs and fitment details.
Variant
A sticky bar kept the add-to-cart button on screen on desktop, along with the product name and price.
Why it likely won
Our reading of the result, not the practitioner's claim.
- Parts buyers scroll through long specs and fitment content. Keeping the button in view means no scrolling back up to buy.
- Showing the name and price in the bar reminds shoppers what they are buying at the moment they decide.
- A 69% revenue gain next to a 4% checkout gain suggests larger or pricier orders, but the data shared can't confirm that.
Caveats: Sample size, test length and confidence were not shared. A 69% revenue-per-visitor lift is very large for a sticky bar, and revenue metrics swing with a few big orders, so treat the size of the gain with care.
Who ran it
Blend Commerce ran this test for Aeromotive and published the results (Blend Commerce case study). The numbers are theirs; the summary and commentary on this page are ours.
Read the original case study on Blend Commerce →
How to run this test on your store
- Hypothesis
- If we keep add to cart, product name and price visible in a sticky bar on desktop product pages, then revenue per visitor will rise because shoppers can buy at any point while reading long product details.
- Primary metric
- Revenue per visitor
- Guardrails
- Conversion rate
- Begin-checkout rate
- Return rate
- Who should test it
- Stores with long, detailed product pages, such as technical parts, electronics or tools. On short pages where the button is always near the screen, the bar adds clutter and little else.
Questions
Does a sticky add-to-cart work on desktop, not just mobile?
Here it did, lifting revenue per visitor by 69% on desktop.
It is most useful when pages are long and the main button scrolls away.
What should a sticky add-to-cart bar include?
This version showed the product name, price and button.
Keep it slim so it doesn't cover the content shoppers are reading.
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