Check 15 / 18 LOW impact In the full checklist
Disable 0 quantity delete confirmation loop
What this check is
A quantity stepper that allows zero and then asks for confirmation turns a one-tap removal into a two-step argument. Setting the minimum to one with a separate remove control is the standard that shoppers expect.
How to implement it
Set the quantity input minimum to one, add an explicit remove button per line, and make sure the cart recalculates and the cart count updates immediately. Persist the cart so a refresh does not resurrect the removed line.
How to verify it
Reduce a line to one, use the remove control and confirm the line disappears, the count updates, and reloading the page does not bring the item back.
All 197 checks, one Google Sheet
This page is the summary. The full checklist carries the priority, the impact score and the tool link for every check — all 197 of them, across 14 categories, as a Google Sheet and CSV with lifetime updates.
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