What is heuristic evaluation? Definition in UX research
Heuristic evaluation is inspection of a user interface against a fixed list of usability principles — a fast, low-cost way to surface obvious problems without running a user study.
Heuristic evaluation is inspection of a user interface against a fixed list of usability principles — a fast, low-cost way to surface obvious problems without running a user study.
The method earns its keep because it does not require recruiting participants, scheduling sessions, or running analysis. Two or three reviewers can walk an interface in a couple of hours, each flagging where the design violates one of the heuristics, and the merged list of findings is usually rich enough to inform the next design iteration.
How it usually runs
Reviewers walk the interface independently and note each issue, citing the heuristic it violates and rating the severity. Then the lists are merged, duplicates collapsed, and the combined set is shared with the team. The work is faster but less reliable than a usability test — experts find different problems than real users, so the method complements user research rather than replacing it.
A capture session built around the heuristics list produces a clean markdown artifact: one section per heuristic, each finding with a screenshot and a sentence explaining which principle was violated and what to change.
Frequently asked questions
Which heuristics list is standard?
Jakob Nielsen's 10 usability heuristics is the most cited starting point. Many teams adapt it to their own product context.
How is heuristic evaluation different from a usability test?
A heuristic evaluation is done by experts inspecting the interface. A usability test watches actual users attempt tasks. The first finds different problems faster; the second finds problems the experts won't see because they're not the target user.
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