Bun vs Node.js: JavaScript Runtime Battle in 2026

<p>In Q3 2025, our 14-person frontend team stared down a 3.2MB initial bundle for our Angular 18 enterprise resource planning (ERP) app — a figure that triggered 4.7s first

<p>After running Bun on Lambda for 60 days, we discovered it's 3x faster than Node.js 22. However, the transition wasn't without its surprises. Here's what broke and what didn't.

<p>If you've been building JavaScript or TypeScript backends for a while, you've probably seen the same Node.js vs Bun comparison a hundred times.</p> <blockquote> <p>"Bun is

<p>In March 2024, Google replaced First Input Delay with Interaction to Next Paint as an official Core Web Vital. FID is gone. INP is what matters now — and most React apps that

<p><em>Part I of the series "Don't Let the User Wait - Render Quickly to Keep Their Attention."</em></p> <h2> The problem hiding inside SSR </h2> <p>Server-Side Rendering promises

<p><a href="https://resend.com/blog/react-email-6" rel="noopener noreferrer"><img alt="React Email 6.0" height="1260"

<p>Every few years, the frontend community rallies around a faster build tool.<br /> Grunt gave way to Webpack. Webpack gave way to Parcel, then Rollup, then Vite. Each one

<p>Deploying a new version of your app without kicking users out or causing errors sounds like a dream, right? Let's make it real.</p> <p>The Problem<br /> You git push, run your