Heuristic analysis is an expert UX research method, where the practitioner evaluates an interface using selected heuristics. Heuristics are practical guidelines for doing work, based on established principles. Heuristic analysis should never replace testing an interface with users; it has been shown that one expert will only find about a third of the usability problems that will occur in a usability test. However, it is very useful to enhance your research. The heuristics are also guidelines that are useful to be aware of during usability tests, so they are worth knowing.
Heuristic analyses can be conducted on a live website, or on a prototype. Therefore, they can be used very early in a web design project to evaluate early ...