Review points.
PURPOSE
Is the problem stated, and does this solve it? Is the primary action obvious on every screen?
CONTENT
Tested with real content, including long and awkward examples Empty, loading, error and overflow states designed
STRUCTURE
Labels use the user's vocabulary Navigation answers where am I, where can I go, how do I get back Hierarchy checked by squinting
VISUAL
Sizes, spacings and colours drawn from defined scales Contrast checked, including text on images Nothing depends on colour alone
INTERACTION
Every element has all its states, including focus Every action gives feedback Destructive actions separated and clearly marked
FORMS
Minimum fields Labels above fields Validation helpful, entered data preserved
ACCESSIBILITY
Keyboard navigable throughout Alternative text written Readable at double text size
MOBILE
Tested on a real phone, on mobile data Targets large and well spaced