Performance Optimization Bundle Analysis and Code Splitting Image Optimization Caching Headers Virtual Lists for Large Data Core Web Vitals Monitoring - LCP (Largest Contentful Paint): < 2.5s. Preload hero images, optimize server response time. - INP (Interaction to Next Paint): < 200ms. Avoid long tasks, use . - CLS (Cumulative Layout Shift): < 0.1. Set explicit dimensions on images and embeds. Anti-Patterns - Loading all JavaScript upfront instead of code-splitting by route - Serving unoptimized images (no WebP/AVIF, no responsive sizes) - Missing and on images (causes layout shift) - Using…