01The promiseA new visitor understands the product in ten secondsThe core journey reaches a useful resultEmpty and error states offer a next actionMobile layouts preserve priority and context
02Access for everyoneEvery action works with a keyboardHeadings and landmarks describe the pageContrast and focus indicators are visibleMotion can be reduced without losing meaning
03Trust and safetyPrivate data is protected by backend policiesSecrets never ship to the browserUploads are constrained by type and sizeAccount recovery and deletion paths are clear
04A thoughtful arrivalOnboarding demonstrates value before explanationAnalytics measure outcomes, not vanityFeedback reaches a human-readable placeRollback and incident notes are prepared
