SSR and Static Site Generation (SSG) shift page rendering from the client to the server, allowing users to receive pre-rendered HTML immediately. This approach significantly enhances loading speed, user experience, and search engine visibility. Rendering Strategy Comparison Client-Side Rendering (CSR) The browser first downloads JavaScript files JavaScript runs and generates the UI in the browser Users see content only after rendering completes Estimated load time: around 2–4 seconds Server-Side Rendering (SSR) The server generates complete HTML before sending it The browser can display content right away JavaScript then adds interactive functionality through hydration Estimated load time: around 0.5–1.5 seconds Static Site Generation (SSG) Pages are generated as static HTML during the build process Content is delivered instantly through a CDN JavaScript hydrates the page to enable interactions Estimated load time: around 0.2–0.8 seconds Next.js SSR Implementation // pages/products/[id].js // This function…