Stop adding 'use client' to every file. I explain the clear boundary between Server and Client Components, and how to implement interactivity without sacrificing performance in Next.js App Router.
Establishing TCP connection is expensive. Reuse it for multiple requests.
Optimizing by gut feeling made my app slower. Learn to use Performance profiler to find real bottlenecks and fix what matters.
Definitely No, Maybe Yes. How to check membership in massive datasets with minimal memory using Bit Arrays and Hash Functions. False Positives explained.
From HTML parsing to DOM, CSSOM, Render Tree, Layout, Paint, and Composite. Mastering the Critical Rendering Path (CRP), Preload Scanner, Reflow vs Repaint, and requestAnimationFrame.
The secret to performance in Next.js App Router is "Laziness." Don't make the browser do the work. Do it on the server beforehand.
Before typing "use client", pause for 3 seconds:
window or useEffect?Your users deserve a lightweight app. And you deserve a simpler codebase using the Platform's capabilities.