Like Google Lighthouse, but it scans every single page. Unlighthouse is a tool to scan your entire site with Google Lighthouse in 2 minutes (on average). Open source, fully configurable with minimal setup.
How Astro Works Astro works a lot like a static site generator. If you have ever used Eleventy, Hugo, or Jekyll (or even a server-side web framework like Rails, Laravel, or Django) then you should feel right at home with Astro. In Astro, you compose your website using UI components from your favorite JavaScript web framework (React, Svelte, Vue, etc). Astro renders your entire site to static HTML
Lighthouse 3.0 is out! 3.0 features faster audits, less variance, a new report UI, new audits, and more. How to update to 3.0 CLI. Run npm install -g lighthouse@next. Node. Run npm install lighthouse@next. Chrome Extension. Your extension should auto-update to 3.0. Chrome DevTools. Lighthouse 3.0 will be available in Chrome 69. Faster audits and less variance Lighthouse 3.0 completes your audits f
Lighthouse is an automated tool for improving the quality of your site. You give it a URL, and it provides a list of recommendations on how to improve page performance, make pages more accessible, adhere to best practices and more. You can run it from within Chrome DevTools, as a Chrome Extension, or even as a Node module, which is useful for continuous integration. For a while now, Lighthouse has
We are talking a lot about performance, how it can be improved, which tools to use for performance improvements but less about how to keep reached performance on a proper level. So, let’s take a look at tools which can help you to do so. Size Limit ai/size-limit Size Limit is a tool to prevent JavaScript libraries bloat. With it, you know exactly for how many kilobytes your JS library increases th
What does Bundlephobia do? JavaScript bloat is more real today than it ever was. Sites continuously get bigger as more (often redundant) libraries are thrown to solve new problems. Until of-course, the big rewrite happens. Bundlephobia lets you understand the performance cost ofnpm install ing a new npm package before it becomes a part of your bundle. Analyze size, compositions and exports Credits
For optional HDR support in Chrome/Edge 110+, copy & paste the below chrome://flags URL to enable "Experimental Web Platform Features" and restart browser for HDR: Much better HDR quality occurs with 1500+ nit displays, including newer local dimming LCDs, 240Hz+ OLEDs & MacBook XDR displays. Test your browser WCG & HDR. Try more tests: Eye Tracking Demo | RTS Panning Test | Persistence Demo | Ghos
あらすじ Web技術が複雑になる中で、JavaScriptのプロファイリングをとる方法とは。 プロファイリングを取るためのコードを手で書いてみましょう。 とてもシンプルで、かつ最高のJavaScriptプロファイラ sjsp を作りました。 本当にあった怖い話 上司 「とにかくJavaScriptのコードを速くしてくれ」 私 「分かりました、速くします」 (次の日) 私 「いいプロファイラがないなら作ればいいじゃない」 同じチームの人 「えっ？」 私 「最高のJavaScriptプロファイラ作ったよ」 同じチームの人 「「えっえっ？？？」」 私 「早速使ってみたらこことここが遅いって分かったよ」 同じチームの人 「「「この子は一体…」」」 JavaScriptのプロファイリングの難しさ 近年、Webブラウザーの処理速度は著しく向上し、その可用性の高さから、アプリケーションのプラットフォーム
V8 の最適化について 色々(主にVyacheslav Egorovさんの記事やスライド)読んでたのでそれのメモ。 この文章は2014年9月13日に書かれて最適化されていないため、この文章を元に最適化をすると失敗すると思います。 参考まとめ V8に関するリソースまとめ V8 Resources - Vyacheslav Egorovさんによる thlorenz/v8-perf - Thorsten Lorenzさんによる Understanding V8 and JIT compilation basics - Google スライド - 概要分かりやすい Hidden Class V8がリリースされた時から特徴としてあげられている最適化 V8: an open source JavaScript engine - YouTube V8 祭り - Backnumbers: Steps to
##Kojak: A simple JavaScript performance profiler ####What is Kojak? Kojak is a simple utility that can help you figure out which of your JavaScript functions are running too slow. It tracks when your functions are called, how often they are called, how much time they are taking, how the functions were called. It can also track your ajax calls and help figure out how fast they are. (Kojak was a tv
EngineeringAn analysis of the Square and Cash App outageService Disruption - Public Postmortem [2025/02/26] APIsAnnouncing Mobile Payments SDK GA and New Terminal...Expand your reach and drive remarkable in-person payment experiences. APIsBest Practices for Using Third-Party APIsOptimizing third-party API integrations for your user experience
Welcome to the wonderful world of Web PerformanceUnlock the full potential of your website with sitespeed.io - the ultimate tool for monitoring and enhancing web performance. Say goodbye to the complexity and high costs of measuring performance. With our easy-to-use Open Source tools, you’ll have complete control over your metrics and own your own data. Welcome to the world of exceptional web perf
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