Web Performance Optimization

Performance is crucial for providing a great user experience. Here's how to optimize your web applications.

Key Performance Metrics

1. First Contentful Paint (FCP)
2. Largest Contentful Paint (LCP)
3. Time to Interactive (TTI)
4. Cumulative Layout Shift (CLS)

Optimization Techniques

1. Image Optimization

<!-- Use modern image formats -->
<picture>
  <source type="image/webp" srcset="image.webp">
  <img src="image.jpg" alt="Description" loading="lazy">
</picture>

2. Code Splitting

// Use dynamic imports for route-level code splitting
const MyComponent = () => import('./MyComponent.vue')

3. Caching Strategies

• Implement service workers
• Use proper cache headers
• Leverage browser caching

Tools for Performance Testing

1. Lighthouse
2. WebPageTest
3. Chrome DevTools Performance panel

Conclusion

Performance optimization is an ongoing process that requires regular monitoring and updates.