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UX Heuristics

Evaluate UI designs against Nielsen's 10 usability heuristics with severity scores.

Updated Apr 10, 2026
Search Tags:#UX design#UI usability#heuristics evaluation#usability assessment#Nielsen 10
One-click install
npx skills add https://github.com/dandawatey/ProjectZero --skill ux-heuristics-dandawatey
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: UX Heuristics
Source: https://github.com/dandawatey/ProjectZero/tree/main/.claude/skills/ux-heuristics
Command: npx skills add https://github.com/dandawatey/ProjectZero --skill ux-heuristics-dandawatey

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes scripts (resource) and references (resource) and assets (resource) components.

What problem does it solve?

This Skill allows you to evaluate user interface (UI) design against Nielsen's 10 usability heuristics, helping identify issues that could affect the user experience.

Core Features & Use Cases

  • Heuristic Evaluation: Assess UI design for compliance with usability principles defined by Nielsen's 10 heuristics.
  • Custom Score Assignment: Evaluate each heuristic on a scale from 0 to 4 to indicate the severity of issues.
  • Stage Mapping: Can be used during the design phase to catch potential usability problems early.

Quick Start

To begin evaluating a design, use the "UX Heuristics" Skill to run the evaluation.

Frequently Asked Questions about UX Heuristics

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I evaluate a UI design against Nielsen's 10 usability heuristics?▼

To perform a heuristic evaluation, you manually review your UI design against Nielsen's 10 usability principles using a defined checklist to identify and score potential user experience issues.

What is a heuristic evaluation for user interface usability?▼

A heuristic evaluation is a usability assessment method where a reviewer manually inspects a software interface against Nielsen's 10 established usability principles to identify problems affecting the overall user experience.

When do I need to run a usability assessment with Nielsen's 10 heuristics?▼

You need to run this usability assessment during the design phase to catch potential interface problems early, or before developing software interfaces and web applications to ensure compliance with established UX principles.

How do I assign severity scores during a usability assessment?▼

During the usability assessment, you evaluate each of Nielsen's 10 heuristics on a scale from 0 to 4, assigning custom scores to indicate the severity of interface issues and prioritize user experience improvements.

Can I use heuristic evaluation for web application interfaces?▼

Yes, heuristic evaluation is suitable for assessing web applications, software interfaces, and product designs, allowing you to systematically review UI elements against standard usability heuristics.

Does heuristic evaluation require manual analysis by the reviewer?▼

Yes, this usability assessment requires manual analysis by the UX reviewer, who uses a provided checklist and defined triggers to systematically evaluate the interface against the 10 established usability principles.

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