{"id":"usability-heuristics","title":"Usability heuristics","summary":"Practical design principles for checking system status, error prevention, consistency and user control in interfaces.","concepts":["Visibility: communicate progress and results","Error prevention and recovery: reduce mistakes and provide ways back","Cognitive effort: use visible cues instead of relying on memory"],"application":"Use interface reviews to identify potential problems and questions to examine through user observation.","limitations":"Expert inspection does not replace measurement of real user success. Priorities between principles depend on users and tasks.","directions":["Learnability: prioritize explanation and consistent operation.","Expert efficiency: prioritize shortcuts for repeated work."],"category":"Technology and product","kind":"principle","kind_label":"Principle","persona_ids":["developer"],"revision":1,"updated_at":"2026-10-07T00:00:00.000Z","sources":[{"title":"10 Usability Heuristics for User Interface Design","url":"https://www.nngroup.com/articles/ten-usability-heuristics/","publisher":"Jakob Nielsen · Nielsen Norman Group","edition":"1994; reviewed in 2024","region":"International reference; verify the application environment","checked_at":"2026-10-07","reuse":"Independent editorial summary and source link; the original text is not republished."}],"review":{"status":"source-checked-editorial","expert_reviewed":false},"editorial_note":"Editorial English translation of the Korean edition. No professional translation or occupational expert review has been completed. Translation does not change the source jurisdiction.","language":"en","translation":{"status":"current","source_language":"ko","source_version":"kb-a9acad77fa8abe95","translated_at":"2026-10-08","professional_reviewed":false},"trust":"reference-data","version":"kb-5659d8e06ee389de","links":{"document":"/en/knowledge/usability-heuristics","markdown":"/en/knowledge/usability-heuristics.md","api":"/api/v1/knowledge/usability-heuristics?lang=en"}}