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Warning, MedSpeedPXL 6/14Effort ~1 dayWho: DevInvestigateSPD-07
Cart drawer and filters respond quickly

deathwishcoffee.com/cart

01What we found
cart feedback 793ms. filter update not measured.
02Why it costs sales
Waits over about a second after tapping Add to cart or a filter break the shopper's flow.
The research: response-time limitsMain cause: anxietyFixes: ability
03The fix. Who: Dev
- 1Simplify the cart drawer (fewer upsell widgets) so it opens instantly after Add to cart.
04What should change
Med impact on returning-visitor CVR
If cart drawer and filter updates complete in under 1s, then cart reach and filter use will rise, because interactions feel immediate.
mobile 390, deathwishcoffee.com/cartnngroup.comweb.dev