A useful interface review Nullstar Lab INTERFACE REVIEW CHECKLIST Purpose: Can a first-time visitor explain what this page is for? Hierarchy: Is the next useful action obvious? Content: Are claims specific and supported? Navigation: Does every primary destination exist? Mobile: Is the reading order intentional at 360px? Inputs: Are labels visible and errors associated with fields? Keyboard: Is every action reachable with a visible focus state? Images: Are meaningful images described and decorative images silent? Empty state: Does it explain how to recover? Loading: Does the interface show what is happening? Success: Is the completed action clearly confirmed? Failure: Can the person retry without losing their work?