Add a stock quantity tracker that changes color when low

Idea byDave DiederenSyntra Labs

Commentary byLiftArchiveOur analysis, not theirs

Show remaining stock on the product page, turning orange with an urgency message under 10 units and red when out of stock.

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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+$46,900 per month

Authentic scarcity messaging on product pages

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$44,751/month forecasted

Added brand-aligned scarcity text below Add to Cart on PDP

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+$36,772 per month

Redesigned top of product page: image slider, clearer CTAs, benefits and sale info above fold

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B

+$24,000 per month

Moved urgency bar to top of product page and added mobile thumbnails

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B

+16.78% revenue per visitor

Showed 'In Stock' instead of 'Almost Out of Stock' messaging

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+4.82% revenue per visitor

Changed the bundle selector title from 'Buy More, Save More' to 'Low Stock - Selling Fast'

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