#performance

Scroll-Driven Animations in CSS: No JavaScript Needed

CSS scroll-driven animations use animation-timeline to tie an animation's progress to scroll...

Image Optimization for Astro and React: AVIF and CLS

A full Astro and React image pipeline using astro:assets and Sharp, covering...

Node.js Worker Threads: When and How to Use Them in 2026

A practical guide to Node.js worker threads for CPU-bound tasks, with a...

Profiling React Renders With the DevTools Profiler

A hands-on workflow for using the React DevTools Profiler to find and...

Node.js Streams Guide: Backpressure and Piping in 2026

A practical guide to Node.js streams: readable, writable, and transform streams, with...

Core Web Vitals for React 19 Apps: A 2026 Field Guide

How to measure and fix LCP, INP, and CLS in a real...

TypeScript 7 in CI: Faster GitHub Actions Type Checks

Wire TypeScript 7's native tsc into GitHub Actions CI. A type-check job...

TypeScript 7 (Project Corsa): The Complete 2026 Guide

TypeScript 7 (Project Corsa) rewrites the compiler in Go for 10x faster...

TypeScript 7 Benchmarks: Real Speed Across Three Repos

TypeScript 7 benchmarks on three real repos: official Microsoft figures plus measured...

React Compiler: Practical Guide to Auto-Memoization

The React Compiler auto-inserts memoization at build time. How to install it,...

Rob Pike's 5 Programming Rules From 1989 Still Work

Rob Pike wrote 5 rules of programming in 1989 at Bell Labs....

Three Pillars of JavaScript Bloat in 2026 and Their Fixes

JavaScript bloat comes from dependency sprawl, polyfill debt, and framework overhead. Learn...

React Hooks Best Practices: Common Pitfalls to Avoid

React hooks best practices for production: fix stale closures, dependency array bugs,...

React Server Components with TypeScript: Production Guide

React Server Components run on the server with zero bundle cost. Here's...