How I built evindia.online — 35+ Node.js APIs behind a SEO-friendly Next.js front-end that serves 10,000+ monthly visitors browsing, filtering, and comparing electric vehicles. The problem, the architecture, and what the numbers say.
A missing cleanup function is the most common cause of stale state and memory leaks in React. Here is when you need one and how to write it correctly in React 19.
Tailwind CSS v4 drops the JavaScript config in favor of CSS-first setup. Here are practical tips for using it cleanly in a Next.js 16 App Router project.
TypeScript ships a set of built-in utility types that remove most of the hand-written generics people reach for. Here are the five that earn their place in everyday code.
You cannot improve what you do not measure. Here is how to capture real Core Web Vitals from your Next.js App Router site and where each metric usually goes wrong.