Understanding Web Performance Metrics

Web performance metrics are essential for understanding user experience.

Core Web Vitals

Largest Contentful Paint (LCP)

Measures when the largest content element becomes visible.

First Input Delay (FID)

Measures the delay between user input and response.

Cumulative Layout Shift (CLS)

Measures unexpected layout shifts during page load.

Other Important Metrics

• First Contentful Paint (FCP)
• Time to First Byte (TTFB)
• Total Blocking Time (TBT)

Measuring Performance

Use tools like Lighthouse, WebPageTest, and Chrome DevTools.

Optimization Strategies

1. Optimize images
2. Minimize JavaScript
3. Use caching
4. Enable compression

Conclusion

Monitor these metrics to ensure optimal user experience.