BLOG
Guides, stories & hard-won lessons
Everything we know about building production Next.js apps — no fluff, no filler, just things that actually help you ship.
Building 2FA in Next.js From Scratch — No Library Required
TOTP-based two-factor authentication isn't magic. Here's how to build it yourself in Next.js using Web Crypto API and a bit of math.
Ștefan Binisor · May 20, 2026
Loading States in Next.js: loading.tsx, Suspense, and Skeleton UIs That Don't Suck
A practical guide to loading.tsx, Suspense boundaries, and skeleton UIs in Next.js App Router — when to use each and how to not drive your users insane.
Ștefan Binisor · May 20, 2026
Sentry in Next.js: Stop Flying Blind in Production
Error tracking that actually works with App Router, Server Actions, and Edge — without tanking your bundle size.
Ștefan Binisor · May 20, 2026
Web Fonts Performance: FOUT, FOIT, and How to Actually Fix Them
Your fonts are making users stare at invisible text or watch the page jump. Here's what's happening and how to fix it for good.
Robert Seghedi · May 20, 2026
Next.js API Routes vs Server Actions: The Honest Comparison
Both work. But picking the wrong one will haunt you. Here's when to use each, based on real projects — not the docs.
Robert Seghedi · May 20, 2026
Parallel Routes and Intercepting Routes in Next.js: Real Examples That Actually Make Sense
Next.js parallel and intercepting routes sound complicated but unlock UI patterns you'd otherwise hack together badly. Here's how they actually work.
Robert Seghedi · May 20, 2026
React key prop mistakes — why your list is re-rendering weirdly
Using array index as key isn't just 'bad practice' — it causes real bugs. Here's what's actually happening and how to fix it.
Ștefan Binisor · May 19, 2026
Next.js Route Handlers vs API Routes: The Complete Migration Guide
App Router killed pages/api. Here's everything you need to migrate your API routes to route handlers without breaking production.
Robert Seghedi · May 19, 2026
Notification Emails That Don't Annoy: Frequency and Content Guidelines
Most apps email too much, say too little, and wonder why users unsubscribe. Here's how to send notifications people actually want.
Ștefan Binisor · May 19, 2026