UI

2.25 Conduct Regular Audits, Regression, and Non-Regression Tests

UX Design

2.28 Incorporate Usability Testing Into Each Minor Release-Cycle

UX Design

2.29 Incorporate Compatibility Testing Into Each Release-Cycle

UX Design

3.5 Ensure Your Solutions Are Accessible

Web Development

3.7 Rigorously Assess Third-Party Services

Web Development

3.10 Provide Code-Based Way-Finding Mechanisms

Web Development

3.11 Validate Form Errors and External Input

Web Development

3.13 Adapt to User Preferences

Web Development

3.14 Develop a Mobile-First Layout

Web Development

3.18 Include Files That Are Automatically Expected

Web Development