Keep the cart checkout button sticky as shoppers scroll

Idea byDave DiederenSyntra Labs

Commentary byLiftArchiveOur analysis, not theirs

Use a clean cart with checkout buttons that stay visible while scrolling, and make extra deals or rewards easy to find.

Who ran it

Dave Diederen (@DaveDiederen) shared this idea on X. The numbers and screenshots are theirs.

View the original post on X

Similar tests

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+$57k/month

Added tiered spend rewards in the cart (free shipping + bonus items)

CartShipping & delivery messaging@oliverkenyon

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B

+6.58% conversion rate

Cart drawer rebuild without countdown timer for a pain relief device brand

CartCart drawers & slide carts@oliverkenyon

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B

+13.93% revenue per visitor

Changed cart copy from 'Free shipping will be applied at checkout' to 'Congrats! You unlocked FREE shipping!'

CartShipping & delivery messaging@DaveDiederen

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B

+5.79% revenue per visitor

Raised the free shipping threshold to $165

CartShipping & delivery messaging@DaveDiederen

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B

FAQ Higher: RPV €2.17 to €2.45 (+13.08%)

Second-threshold mystery gift in cart, and moving the FAQ higher

CartFree shipping thresholds & shipping price@kasper_dolk

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Idea, no result yet

Show shipping estimates and a free-shipping threshold in the cart

CartShipping & delivery messaging@DaveDiederen