Posts tagged #performance — Page 2

The Origin Private File System gives you byte-level, synchronous file I/O in the browser. Here's how it works, when to reach for it, and why it's the reason SQLite runs well on the web now.

A practical look at scheduler.yield(), the browser API that breaks up long tasks and keeps the main thread responsive without the setTimeout penalty.

CSS @scope reached full browser support in December 2025 — here's how to use it to write component-scoped styles without CSS Modules, BEM, or a build step.

Vue 3.6 Vapor Mode eliminates the virtual DOM for opted-in components, delivering SolidJS-level performance without rewriting a single line of your template logic.

The Speculation Rules API lets you tell the browser which pages to prefetch or fully prerender in the background — delivering near-instant navigations with a few lines of JSON and no framework required.

Vite 8 replaces its dual esbuild/Rollup pipeline with Rolldown, a Rust-based bundler that delivers 10–30x faster production builds — and real teams are already seeing dramatic results.

React Compiler v1.0 landed in production-ready form and it automatically handles the memoization patterns you used to write by hand — here's what changed, how to set it up, and what it means for your day-to-day React code.

Edge functions run your code in data centers close to users, eliminating the latency of a centralized origin server. Here's what they're good for and how to build with them.

PWAs have matured significantly. Between Workbox's caching strategies, the Background Sync API, and the Web App Manifest improvements, building offline-capable apps is more practical than ever.