Articles for the Performance tag – Page 2
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Critical: Painting the Fold Before the Stylesheet Lands
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A render-blocking stylesheet can hold your whole page hostage. Critical defuses that by inlining just the styles the first screen needs and deferring everything else.
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React Native Worklets: Threading the Needle Across Runtimes
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Single-threaded JavaScript is the quiet bottleneck behind most janky React Native apps. react-native-worklets hands you extra threads and runtimes in plain JavaScript, no native code required.
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Pica: Crisp In-Browser Image Resizing Without the Mush
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A look at Pica, the browser-side image resizer that trades native canvas mush for genuinely sharp thumbnails, powered by WASM and web workers.
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Alien Signals: The Tiny Reactivity Core That Powers Vue
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A signal library so fast its core algorithm was ported straight into Vue's production reactivity engine. Here's how to use it and why it works.
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react-native-boost: The One-Line Performance Hack Your App Deserves
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What if you could speed up your React Native app by up to 50% without touching your codebase? Meet react-native-boost, the Babel plugin that does the heavy lifting at build time.
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Billions of Rows? No Problem. Meet HighTable
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When your dataset outgrows your browser's patience, HighTable steps in with virtualized rendering and async data fetching to keep things smooth.
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StackBlur.js: The Blazing Fast Canvas Blur That Skips the Math Homework
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When CSS filter blur is not enough and a full Gaussian convolution is overkill, StackBlur.js sits in the sweet spot: visually indistinguishable from Gaussian at most radii, but fast enough to run in real time on large canvases with zero dependencies.
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React Doctor: A One-Command Health Check for Your Entire React Codebase
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What if you could run a single command and get a full diagnostic report on your React codebase covering security leaks, performance bottlenecks, dead code, accessibility gaps, and hook violations? React Doctor does exactly that and gives you a score to track over time.
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React Lite YouTube Embed: Put Your YouTube Embeds on a 500KB Diet
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Every YouTube embed you drop into a page loads over 500KB of scripts, stylesheets, and tracking before the user even thinks about pressing play. React Lite YouTube Embed fixes that by showing a static thumbnail first and only loading the real iframe on click.
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Peek: The Disappearing Header Act Your Site Has Been Missing
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Headers that know when to get out of the way make content-heavy sites feel faster and more spacious. Peek gives you scroll-aware header behavior in under 4KB of dependency-free JavaScript, using modern browser APIs for buttery-smooth performance.