In the world of web performance, every millisecond counts. When the main hero image stays blank for an extra second, it can hurt your Largest Contentful Paint L...

Hi everyone! You’ll have to get used to it: yet another week filled with AI content. From MCPs to Agent Skills to AI‑specific CLIs, we don’t know where to turn...

Introduction We're a small web agency based in Prague. For years, we built client websites on WordPress – just like everyone else. - Speed: The average WordPre...

During our team KATA session, a colleague asked a question that I bet you’ve thought about too: > “If React already knows to only render the elements that chan...

Introduction A heavy React SPA with multiple AI tools, i18n, a developer portal, and a hero slider often scores Lighthouse 85 with a “Needs improvement” PageSp...

This submission was created for the New Year, New You Portfolio Challenge presented by Google AI. I’m Jerson Sabellano, a software engineer focused on building...

Introduction: A Simple Action, a Complex Story You type a URL. You press Enter. A webpage appears. It feels instant—effortless. Nothing special, right? But und...

Introduction In modern web development, ensuring fast and responsive user experiences is critical—yet performance bottlenecks like slow database queries are of...

If you’re still building React apps that ship everything to the client, you’re building for 2019, not 2029. Let me explain why the single‑page application SPA a...

We’ve all been there. You click a link, and the page hangs. In 2026, a slow website isn’t just annoying—it’s a deal‑breaker. As developers, we know Speed = Reve...

If you're like most frontend developers, Browser DevTools are always open… yet most of their power quietly goes unused. We inspect elements, tweak CSS, check th...

As a full‑stack developer who recently built a square image editor, I want to share how Next.js enabled us to create a performant, SEO‑friendly tool that handle...