Mike Rodriguez
Expert in Web Development with years of experience helping businesses succeed.
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10 Essential Web Performance Metrics
Web performance directly impacts user experience and search rankings. Here are the metrics you need to track:
Core Web Vitals
1. Largest Contentful Paint (LCP)
Measures loading performance. Aim for under 2.5 seconds.
2. First Input Delay (FID)
Measures interactivity. Aim for under 100 milliseconds.
3. Cumulative Layout Shift (CLS)
Measures visual stability. Aim for under 0.1.
Additional Metrics
4. **Time to First Byte (TTFB)**: Server response time 5. **First Contentful Paint (FCP)**: First visible content 6. **Total Blocking Time (TBT)**: Main thread blocking 7. **Speed Index**: Visual completeness 8. **Time to Interactive**: Full interactivity 9. **Network Requests**: Number and size of requests 10. **Bundle Size**: JavaScript and CSS sizes
Optimization Tips
- Optimize images and use modern formats
- Minimize JavaScript and CSS
- Use CDN for static assets
- Implement lazy loading
- Enable browser caching
- Minimize redirects
Tracking these metrics helps you identify bottlenecks and improve user experience.
