ConsistencyStandards [fact] v1.0.0

Nielsen Heuristic 4 — Consistency and Standards: Users should not have to wonder whether different words, situations, or actions mean the same thing. Follow platform and industry conventions.

Confidence

proven

Evidence

@nielsen/source-nielsen-1994

Heuristic Number

4

Violations

• Delete action is red in one part of the UI, grey in another.
• Some modals close with Escape, others require clicking X explicitly.
• Navigation items change label or position between different sections of the app.

ConsistencyStandards [fact] v1.0.0

Nielsen Heuristic 4 — Consistency and Standards: Users should not have to wonder whether different words, situations, or actions mean the same thing. Follow platform and industry conventions.

Confidence

proven

Evidence

@nielsen/source-nielsen-1994

Heuristic Number

4

Violations

• Delete action is red in one part of the UI, grey in another.
• Some modals close with Escape, others require clicking X explicitly.
• Navigation items change label or position between different sections of the app.

Examples

• Using the same icon for 'Settings' (gear) throughout the entire product.
• Primary action button always the same color (brand blue) in every dialog.
• Keyboard shortcuts matching the OS convention: Cmd+S to save on macOS.

Confidence

proven

Evidence

@nielsen/source-nielsen-1994

Heuristic Number

4

Violations

• Delete action is red in one part of the UI, grey in another.
• Some modals close with Escape, others require clicking X explicitly.
• Navigation items change label or position between different sections of the app.