3 minintermediate
React memo vs useMemo vs useCallback — When to Use Which
Three React APIs that all say 'memoize' — but they do different things. Clear explanations, examples, and a cheatsheet.
Bite-sized JavaScript, React & Next.js tips.
Short posts with code and diagrams. Readable in minutes.
3 minintermediate
CDN Explained: What It Is, How It Works, and How to Use It in Next.js
A CDN speeds up your app by serving assets from servers close to your users. Here's how it works and how Next.js takes advantage of it.
3 minintermediate
Are TypeScript Enums a Good Idea? (Bundle Size & Runtime)
A practical guide to TypeScript enums, their runtime cost, and better alternatives for modern frontend apps.
3 minintermediate
Web Workers Explained for Frontend Developers
How Web Workers work, why they matter, and when to use them to achieve real parallelism in frontend apps.
1 minintermediate
useDeferredValue Explained: Keeping React UIs Responsive
How useDeferredValue works under the hood, when to use it, and how it differs from useTransition.
3 minintermediate
useTransition Explained: Make React Feel Instant
How useTransition works under the hood, when to use it, and how it differs from useDeferredValue.
2 minintermediate
Prefetching in Next.js Links Explained
How Next.js prefetch works in <Link>, why it makes navigation fast, and when to disable it.
2 minintermediate
Next.js App Router Caching — Cheat Sheet
A compressed reference of Next.js caching layers and controls (App Router).