Master Next.js 15 data fetching — fetch cache semantics, unstable_cache, on-demand revalidation, and Suspense streaming for faster perceived performance.

Understand LCP, INP, and CLS — Google's Core Web Vitals — and fix the real code causes that tank your scores and hurt your search rankings.

Containerise your Next.js app with a multi-stage Dockerfile that produces a slim production image under 200MB — ready for ECS, Cloud Run, or any container host.

React Server Components run on the server, cut JS bundle size, and enable direct DB access — but they're not right for every component. Here's the complete picture.

Use the Next.js App Router metadata API, JSON-LD structured data, and SSR to ship crawlable pages that rank — from generateMetadata to sitemaps.