⚡ Website Performance Optimization Checklist (2026)

A curated list of techniques to achieve 100/100 on Google PageSpeed Insights.

✅ The Checklist

• LCP (Largest Contentful Paint): Preload hero images.
• CLS (Cumulative Layout Shift): Set explicit width/height for images.
• Code Splitting: Implement dynamic imports for React/Vue.

🎓 Master the Details

This checklist is just the overview. I explain exactly how to implement these techniques in my Deep Dive article: 👉 Website Performance Masterclass: Der ultimative Guide

Tools Used

• Lighthouse
• Web Vitals Extension