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
React Interview Questions and Answers (2026): 40 Questions from Basics to Advanced
React interviews in 2026 still begin with the basics: JSX, props, state and keys. But they don't stop at useEffect any more. You wi...
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
Frontend System Design Interview: The RADIO Framework with a Worked Autocomplete Example
Senior frontend interviews almost always have a system design round. You won't be designing databases and load balancers. You design...