How (and when) to do an effective heuristic evaluation: 5 steps

Heuristic evaluations, developed by Jakob Nielsen, are a structured method for assessing the usability of websites and applications by applying predefined usability principles known as heuristics. These evaluations help identify and prioritize usability and accessibility issues early in the design process, allowing for quick feedback and expert insights that guide improvements in user interfaces (UI) and user experiences (UX). Heuristics cover various aspects of design, such as ensuring visibility of system status, error prevention, consistency, user control, and aesthetic simplicity, all of which contribute to making sites and applications more intuitive and user-friendly. Implementing these principles helps create interfaces that align with real-world expectations, minimize cognitive load, and support both novice and expert users through features like recognition-based actions, flexible workflows, and accessible help documentation.