Frontend Performance Optimization: Core Web Vitals and Beyond

Google's Core Web Vitals are now ranking factors. Learn how to optimize frontend performance for better user experience and SEO.

Core Web Vitals

Google's user experience metrics measure loading, interactivity, and visual stability.

Key Metrics

• Largest Contentful Paint (LCP): Loading performance
• First Input Delay (FID): Interactivity
• Cumulative Layout Shift (CLS): Visual stability

Optimization Techniques

• Image Optimization: WebP format and lazy loading
• Code Splitting: Reduce initial bundle size
• Caching Strategies: Browser and CDN caching
• Minification: Compress CSS, JavaScript, and HTML

Tools and Monitoring

Use Google PageSpeed Insights, Lighthouse, and Web Vitals JavaScript library for continuous monitoring.

Business Impact

Better performance leads to higher conversion rates and improved search rankings.