Heuristic Evaluation Tool
Score interfaces against Nielsen's 10 heuristics with severity ratings.
Research & TestingVisibility of system status
Always inform users about what is going on through timely feedback.
Match between system & real world
Speak the user's language, with familiar words, phrases and concepts.
User control & freedom
Provide clearly marked emergency exits â undo and redo.
Consistency & standards
Follow platform and industry conventions.
Error prevention
Eliminate error-prone conditions or confirm before commit.
Recognition rather than recall
Make objects, actions and options visible.
Flexibility & efficiency of use
Allow users to tailor frequent actions; cater to novice and expert.
Aesthetic & minimalist design
Avoid irrelevant or rarely-needed information.
Help users recover from errors
Plain-language messages, indicate the problem, suggest a solution.
Help & documentation
Easy to search, focused on the task, concrete steps.
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