Core Web Vitals Mastery: Optimizing LCP, INP, and CLS for Next.js Apps

# Core Web Vitals Mastery: Optimizing Next.js Web Applications Google's Core Web Vitals directly influence user experience and search rankings. Here is how to achieve green scores across all metrics. ## Optimizing Largest Contentful Paint (LCP) - Preload critical hero images using Next.js ``. - Reduce Server Response Time (TTFB) by caching database queries and using Edge runtimes. ## Optimizing Interaction to Next Paint (INP) - Defer non-critical JavaScript execution. - Break up long tasks (>50ms) into web workers or requestIdleCallback loops. ## Eliminating Cumulative Layout Shift (CLS) - Always specify explicit aspect-ratio attributes on images and video embeds. - Reserve space for dynamic ad banners and asynchronous UI components.