Sector file // nextjs
NEXT.JSDECODED.
App Router, RSC & rendering
Easy
11 questionsnext/font — how does it eliminate layout shift and external requests?
Frontend · 1.1k views · next-font, performance
What are layouts in Next.js and how do nested layouts work?
Frontend · 1.1k views · nextjs, app-router, layouts
How do metadata files like favicon.ico, icon, opengraph-image and manifest work in Next.js?
Frontend · 998 views · nextjs, metadata, seo
How does client-side navigation work in Next.js (next/link and useRouter)?
Frontend · 986 views · nextjs, navigation, next-link
How does file-based routing work in the Next.js App Router?
Frontend · 922 views · nextjs, routing, app-router
next/font and next/image — how do they combine for Core Web Vitals?
Frontend · 915 views · next-font, next-image
What is Next.js and what problems does it solve?
Frontend · 856 views · nextjs, react, framework
What is not-found.js in Next.js and how do you trigger a 404?
Frontend · 840 views · nextjs, not-found, 404
Medium
22 questionsWhat is the route segment config in Next.js (dynamic, revalidate, runtime)?
Frontend · 1.2k views · nextjs, segment-config, revalidate
What is next/script and what are its strategy options in Next.js?
Frontend · 1.1k views · nextjs, next-script, third-party
What makes a route dynamic in the Next.js App Router?
Frontend · 950 views · nextjs, dynamic-rendering, cookies
App Router 15 — why are params and searchParams now Promises?
Frontend · 897 views · app-router, nextjs-15, async-params
What are layouts and nested layouts in the Next.js App Router?
Frontend · 870 views · nextjs, layouts, app-router
What is the difference between the App Router and the Pages Router?
Frontend · 826 views · nextjs, app-router, pages-router
How does next/image optimize images in Next.js?
Frontend · 780 views · nextjs, next-image, optimization
How does next/font work and why does it improve performance?
Frontend · 738 views · nextjs, next-font, fonts
Hard
9 questionsHow do you migrate from the Pages Router to the App Router in Next.js?
System Design · 1.2k views · nextjs, migration, app-router
What changed about caching defaults in Next.js 15?
System Design · 1.0k views · nextjs, caching, next-15
What are parallel routes (@slot) in Next.js and when would you use them?
Frontend · 783 views · nextjs, parallel-routes, routing
How do you handle authentication in Next.js?
System Design · 769 views · nextjs, authentication, middleware
What are Multi-Zones in Next.js and when would you split an app into zones?
Frontend · 606 views · nextjs, multi-zones, micro-frontends
Parallel routes (@slot) — how do you build a dashboard with independent slots?
Frontend · 603 views · parallel-routes, app-router
What is the Router Cache in Next.js and what are its implications?
Frontend · 581 views · nextjs, router-cache, caching
What are intercepting routes in Next.js and what are they used for?
Frontend · 271 views · nextjs, intercepting-routes, modals
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