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All Rules
Browse all 385 frontend development rules and best practices.
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Browse all 385 frontend development rules and best practices.
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Add motion that enhances without harming usability.
Use ARIA intentionally and only where native semantics are not enough.
Organize markup and semantics so structure is clear to browsers and assistive tech.
Build accessible, user-friendly form experiences.
Ensure features remain efficient and predictable for keyboard users.
Validate and improve how assistive technologies announce and navigate content.
Address visual perception, contrast, zoom, and visible affordances.
Add motion that enhances without harming usability.
Capture implementation standards, tooling, and maintainability guidance.
Use shared CSS values and theming primitives consistently.
Ensure features remain efficient and predictable for keyboard users.
Create responsive, well-organized page structures.
Optimize for speed and efficient resource loading.
Capture implementation standards, tooling, and maintainability guidance.
Organize markup and semantics so structure is clear to browsers and assistive tech.
Build accessible, user-friendly form experiences.
Optimize for speed and efficient resource loading.
Protect your users and application from vulnerabilities.
Use meaningful markup that improves accessibility and SEO.
Make your content usable by everyone.
Optimize for speed and efficient resource loading.
Capture implementation standards, tooling, and maintainability guidance.
Optimize for speed and efficient resource loading.
Protect your users and application from vulnerabilities.
Measure runtime behavior and use those signals to guide optimization work.
Focus on Core Web Vitals and closely related user-facing performance signals.
Build accessible, user-friendly form experiences.
Protect user data, consent flows, and privacy-sensitive browser behavior.
Configure metadata for search engines and social sharing.
Capture implementation standards, tooling, and maintainability guidance.
Cover mobile-specific interaction, viewport, and device validation.
Optimize for speed and efficient resource loading.
Address visual perception, contrast, zoom, and visible affordances.