// writing
Posts tagged #performance — Page 3
A mix of technical deep-dives, career reflections, and dispatches from the road.
tag: #performance
developmentJul 23, 2026· 3 min
JavaScript Iterator Helpers: Stop Converting to Arrays First
Iterator helpers bring map, filter, take, and drop to any iterator without spreading into an array first.
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developmentJul 16, 2026· 4 min
The Soft Navigations API: Core Web Vitals Finally Work in SPAs
Chrome ships the Soft Navigations API unflagged in 151, giving single-page apps a standardized way to measure LCP, INP, and CLS per route change instead of…
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developmentJul 13, 2026· 3 min
Declarative Shadow DOM: Web Components That Render Before Your JavaScript Does
Shadow DOM used to mean a blank page until your bundle loaded. The shadowrootmode attribute changed that, and it has been in every major browser since early…
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developmentJul 12, 2026· 4 min
OPFS: A Real File System in the Browser
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…
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developmentJun 28, 2026· 3 min
scheduler.yield(): The One-Liner That Fixes Your INP
A practical look at scheduler.yield(), the browser API that breaks up long tasks and keeps the main thread responsive without the setTimeout penalty.
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developmentJun 21, 2026· 3 min
CSS @scope: Component-Scoped Styles Are Now Native
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.
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developmentJun 10, 2026· 3 min
Vue 3.6 Vapor Mode: Opt Out of the Virtual DOM
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…
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developmentMay 28, 2026· 3 min
The Speculation Rules API: Instant Page Navigations Without a Framework
The Speculation Rules API lets you tell the browser which pages to prefetch or fully prerender in the background — delivering near-instant navigations with…
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developmentMay 23, 2026· 3 min
Vite 8 + Rolldown: Rust-Powered Builds That Are 10–30x Faster
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…
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// the newsletter