Web performance is crucial for user experience and SEO. A slow website can cost you visitors and conversions. This comprehensive guide covers everything you need to know about optimizing your web applications.

Core Web Vitals and Metrics

Google's Core Web Vitals are essential metrics that measure user experience. Focus on Largest Contentful Paint (LCP), First Input Delay (FID), and Cumulative Layout Shift (CLS) to improve your site's performance.

"Performance is not just about speed - it's about creating a smooth, reliable experience for your users."

Image optimization is one of the most impactful performance improvements you can make. Use modern formats like WebP and AVIF, implement lazy loading, and serve responsive images to dramatically reduce page load times.

• Optimize images with modern formats and lazy loading
• Minimize JavaScript bundle sizes with code splitting
• Implement effective caching strategies
• Use a CDN for static assets