نکست.جیاس
App Router، رندر و الگوهای production.
۲۰ مطلب
Next.js Edge Runtime vs Node.js Runtime
When to run at the edge, API limitations, and latency trade-offs.
error.tsx & loading.tsx: Next.js UI Patterns
Colocated error boundaries and Suspense fallbacks per route segment.
Parallel & Intercepting Routes in Next.js
@folder slots and (.)modal patterns for advanced UX like photo lightboxes.
Next.js App Router vs Pages Router
Know when to use each, how routing differs, and what interviewers ask in 2026.
SSR, SSG, ISR & CSR in Next.js
Rendering strategies demystified — when to use each and how to explain trade-offs.
Next.js Internationalization (i18n) Guide
Locale routing, dictionaries, and App Router i18n patterns for interviews.
Server Components vs Client Components
The most important Next.js concept since App Router — explained for interviews.
Next.js Data Fetching Patterns
fetch caching, revalidation, parallel routes, and the patterns senior devs use.
Static Export in Next.js: When & How
output: 'export' for fully static sites — limitations with SSR and dynamic features.
Environment Variables in Next.js Interviews
NEXT_PUBLIC_ prefix, server-only secrets, and .env file loading order.
Authentication Patterns in Next.js
Sessions, JWT, middleware guards, and Auth.js — how to discuss auth in interviews.
Dynamic Routes & Catch-All Segments
[slug], [...slug], and [[...slug]] — flexible routing patterns for blogs and docs.
Route Groups & Nested Layouts in Next.js
Organize routes with (folders) that do not affect URLs and compose shared layouts.
Next.js Server Actions: Interview Deep Dive
Mutate data from forms and components without manual API routes — security and patterns included.
Next.js Caching: Full Route Cache & More
Four caching layers — request memoization, Data Cache, Full Route Cache, and Router Cache.
Next.js Metadata API & SEO for Interviews
Static and dynamic metadata, Open Graph, and JSON-LD in the App Router.
Next.js Font Optimization Explained
Self-host Google Fonts, zero layout shift, and CSS variable patterns with next/font.
Next.js Image Optimization: Interview Q&A
Automatic resizing, lazy loading, priority images, and the fill layout pattern.
Next.js Route Handlers & API Patterns
Build REST endpoints in the App Router with route.ts, HTTP methods, and streaming responses.
Next.js Middleware: Interview Guide
Run code at the edge before requests complete — auth, redirects, geolocation, and A/B tests.