Performance (+2)
Performance
- Minimize dependencies: Only include what you need
- Use CDN with version pinning:
library@4.4.0notlibrary@latest - Lazy load when possible: Defer non-critical scripts
- Optimize images: Use SVG or base64 for small images
Accessibility
<!-- Always include -->
<html lang="en">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<!-- Use semantic HTML -->
<main>, <nav>, <article>, <section>, <header>, <footer>
<!-- Add ARIA labels -->
<button aria-label="Close dialog">x</button>
<!-- Ensure color contrast -->
/* Minimum 4.5:1 for normal text */
Responsive Design
/* Mobile-first approach */
.container {
padding: 10px;
}
@media (min-width: 768px) {
.container {
padding: 20px;
}
}
@media (min-width: 1024px) {
.container {
max-width: 1200px;
margin: 0 auto;
}
}