Posts tagged “nextjs”

Most Next.js caching confusion stems from conflating four distinct layers. This post builds the mental model teams need to ship fast, cacheable apps in 2026.

Route Handlers replaced API Routes in Next.js 13+. Learn streaming responses, edge runtime constraints, and production patterns for webhooks, uploads, and SSE in 2026.

Master Next.js App Router navigation by understanding when to use useRouter, redirect, and permanentRedirect. Learn the technical differences, performance implications, and real-world patterns that prevent runtime crashes and SEO penalties.

The Next.js 16 Form component delivers native progressive enhancement for server actions. Learn when it replaces custom wrappers and when teams still need their own abstractions.

The after() API in Next.js enables non-blocking side effects that execute after the response completes. Learn when to use it, how it differs from alternatives, and the production tradeoffs that matter.

Master Next.js Dynamic IO to control component-level rendering boundaries. Learn when to use `use cache`, how it differs from Partial Prerendering, and the streaming patterns that prevent layout thrash in production.

The configuration defaults that ship with next/image v4 break production image pipelines. Learn the AVIF format switch, remotePatterns migration, and cache settings that prevent silent failures.

Most Server Actions fail at scale because teams treat them as internal functions instead of public POST endpoints. Learn the production patterns for authentication, validation, multi-tenant authorization, and choosing between Server Actions and Route Handlers in Next.js 16.

The caching story in Next.js has evolved dramatically. Learn when fetch cache fails, why unstable_cache exists, and how the use cache directive changes everything for production apps in 2026.

Most RSC adoption failures stem from misunderstanding the server/client boundary. This post covers production-ready patterns, common serialization pitfalls, and the decision framework for when server components actually solve your problem.

Most Next.js performance problems stem from misunderstanding the cache layer. Next.js 16 introduces Turbopack as default, Partial Pre-Rendering, and explicit caching with 'use cache'—here's what actually changed and how to migrate without breaking production.

Next.js 15 reversed aggressive caching defaults. The new opt-in model, use cache directive, and revalidation APIs change how production apps handle data freshness and performance.

Most modal implementations break the browser's back button and lose state on refresh. Next.js intercepting routes solve both problems through file-system conventions that map URLs to overlays.

Most Next.js middleware failures in production stem from misunderstanding the Edge Runtime's constraints. Learn the patterns that separate resilient middleware from brittle implementations that break under load.

Most dashboard layout problems stem from forcing sequential rendering when parallel composition is needed. Learn how Next.js parallel routes solve complex layout patterns that break with traditional approaches.

Most Next.js SSR performance problems stem from waiting for all data before sending HTML. Learn how streaming SSR reduces TTFB from 800ms to under 100ms with React Suspense and proper implementation patterns.

Most Next.js routing problems stem from choosing the wrong wrapper component. Learn exactly when to use layouts versus templates, and why the distinction matters for state persistence and performance.

A hands-on guide to understanding and implementing React Server Components in React 19. Learn the mental model, avoid common pitfalls, and build real-world examples.

Starting a fresh modern front end project today can become quite stressful since there are an abundance of variations of specific tools that go hand in hand in each stack. Here are 5 tips to help you.