UI/UX Best Practices Frontend Design

Comprehensive UI/UX and frontend design best practices guide. Contains 42 rules across 8 categories, prioritized by impact to guide accessible, performant, and user-friendly interface development.

When to Apply

Reference these guidelines when:

• Structuring HTML for accessibility and semantics
• Writing CSS for responsive layouts and visual hierarchy
• Optimizing images and fonts for Core Web Vitals
• Designing forms with proper validation and error handling
• Adding animations and interactive elements

Rule Categories by Priority