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Fails, MedSpeedPXL 7/14Effort ~2hWho: DevJust do itSPD-04
No layout shift near buy elements (CLS)

deathwishcoffee.com/products/power-surge-coffee

01What we found
CLS 0.827 via the audit browser (lab, not field data).
02Why it costs sales
Content jumping under the thumb causes taps on the wrong button.
The research: error preventionMain cause: anxietyFixes: ability
03The fix. Who: Dev
- 1Reserve space for images, review stars and banners so the buy button doesn't jump while the page loads.
04What should change
Med impact on returning-visitor CVR
Good CLS ≤0.1, poor >0.25 at p75 (web.dev).
benchmark, not this store's forecast
If CLS stays ≤0.1 around the buy box, then mis-taps will fall and add-to-cart will rise, because buttons stay where the thumb expects.
mobile 390, deathwishcoffee.com/products/power-surge-coffeeweb.devnngroup.com