Frontend Engineering
Next.js 13/14: Server Actions and the New App Router (2023)
React is coming full circle. In 2023, Next.js Server Actions are bringing back the simplicity of PHP and Ruby on Rails with modern React components.
React Server Components: Decoding the Wire Format (2023)
RSC is finally stable in Next.js 13.4. But what's actually happening in that .rsc stream? Let's decode the secret language of the server-client bridge.
Zero-Runtime CSS-in-JS: The Performance King (2023)
Is Styled Components dead? In 2023, zero-runtime CSS-in-JS is taking over. No more runtime script, no more style re-calculation.
Qwik: Resumability vs. Hydration (2022)
Is the era of hydration over? In 2022, Misko Hevery's Qwik introduces 'resumability' to achieve instant-on web apps.
Vitest vs. Jest: Why We’re Switching to Vite-Powered Testing (2022)
Jest has been the king for years, but it's slow. Vitest uses Vite's esbuild pipeline to make testing feel instant again.
WebGL: High-Performance Data Visualization on the Web (2021)
When SVG and Canvas 2D hit their limits, WebGL is the answer. In 2021, we are visualizing millions of data points with the GPU.
SWC and esbuild: The End of Slow Bundling (2021)
Babel and Webpack have served us well, but the performance ceiling of JavaScript is real. In 2021, Rust and Go are rebuilding our toolchains.
WebAssembly: SIMD and Multithreading with Threads (2021)
Wasm is getting a massive speed boost. In 2021, SIMD and Threads are finally landing in stable browsers.
Tailwind CSS JIT: Transforming Build Times and Workflow (2020)
The JIT engine is the biggest shift in Tailwind's history. No more 10MB development CSS files-just pure speed and on-demand generation.
Next.js SSR vs CSR: How We Got 97 on Lighthouse for a High-Traffic Marketplace
Why client-side rendering was killing our e-commerce conversion rate, how Next.js SSR and ISR fixed it, and the exact changes that moved us from 41 to 97…
Advanced TypeScript: Conditional Types and Type Inference (2019)
TypeScript 2.8 introduced conditional types, and in 2019, they are the secret weapon for library authors. Let's learn how to make your types dynamic.
JAMstack in Production: Why We Rebuilt a News Site With Gatsby and a Headless CMS
We migrated a content-heavy news site from WordPress to Gatsby + Contentful. The case for static site generation, what 'headless CMS' actually means, and…
Vue 3: Migration and the New Composition API (2018)
Vue 3 is on the horizon. In 2018, we're already seeing the future of component organization with the Composition API.
Webpack 4: Mastering SplitChunks Optimization (2018)
CommonsChunkPlugin is gone. Webpack 4 brings the new SplitChunksPlugin. Let's learn how to configure it for the perfect vendor bundle.
Mastering the CSS Grid Layout Algorithm (2018)
The wait for wide browser support is finally over. CSS Grid is here, and it's not just another Flexbox. Let's dive into the tracks, spans, and the…
WebAssembly: Running C++ in the Browser at Near-Native Speed (2017)
WebAssembly has reached the 'Minimum Viable Product' milestone in 2017. We can now compile C++ to .wasm and run it alongside JavaScript.
ReasonML: OCaml Types Meet React Components (2017)
Facebook is bringing the power of OCaml to the frontend. ReasonML offers 100% type coverage and a familiar syntax for React developers.
RxJS and Redux-Observable: Mastering Asynchronous Side Effects (2017)
Is Redux Thunk or Saga not enough? In 2017, we're using RxJS and Redux-Observable to treat our actions as a stream of events.
Preact Internals: A Minimal VDOM Implementation (2017)
React is great, but 30kb for a UI library? In 2017, Jason Miller's Preact shows us how to do VDOM reconciliation in 3kb. Let's dig into the source.
ES6 Proxies: The End of Dirty Checking and Getter/Setters (2015)
ECMAScript 2015 (ES6) is finally here. While everyone is excited about arrow functions, the real game-changer for framework authors is the Proxy object.
Webpack: Code Splitting and Optimization for Huge SPAs (2015)
Your app.js is 5MB. That's a problem. Webpack 1.x is here to help you split your code and load it on demand.
Polymer and Web Components: Diving into Shadow DOM (2014)
Google's Polymer library is bringing the future of the web to today. Let's explore how Shadow DOM provides true encapsulation for our components.
React's Virtual DOM: Why Diffing is the Future of UI (2014)
React is polarizing the community in 2014. \"HTML in JS?\" \"Virtual DOM?\" Let's dive deep into how the reconciler actually works and why it outperforms…
AngularJS: Mastering the Directive Lifecycle and Scope (2014)
Directives are the soul of AngularJS. In 2014, we're diving deep into compile, link, and the mysterious Digest Cycle.
React 0.3.0: The Virtual DOM and the O(n) Heuristic (2013)
Facebook just open-sourced React. Forget everything you know about data binding. Let's look at how the Virtual DOM makes 're-rendering everything' fast.