Interview Questions
Next.js MCQs - Rendering, Performance and Deployment (Set 9)
This set is about three things in a Next.js 15 app: how it renders, how to keep it fast and how to ship it. You will see when a route turn...
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Interview Questions
Next.js MCQs - Authentication, Route Handlers and Forms (Set 8)
This set is about the backend side of a Next.js 15 App Router project: writing route handlers, reading cookies and headers, protecting pag...
Interview Questions
Next.js MCQs - Routing, Middleware, Metadata and Image Optimization (Set 7)
Interviewers use these topics to check whether you have built a real Next.js project: App Router routing conventions, middleware, the meta...
Interview Questions
Core Web Vitals for React and Next.js Developers: LCP, INP and CLS Explained with Fixes
Core Web Vitals are three metrics Google uses to measure how a page feels to real users. How fast does the main content load? How quickl...
Interview Questions
Next.js App Router vs Pages Router: Key Differences, Data Fetching and Migration Guide
Next.js has two routers. The Pages Router (the pages/ folder) is the original one, used by most tutorials and older codebases. The App...
Interview Questions
React Server Components Explained: How the Server/Client Boundary Works in Next.js
React Server Components (RSC) change where your React code runs. Some components now run only on the server and send no JavaScript to th...
Interview Questions
Next.js MCQs - Data Fetching, Caching, ISR and Server Actions (Set 5)
Once you know the App Router basics, the next interview questions are about how a Next.js app really fetches, caches and renders data. Thi...