Joan León 🏞️⚡️

I have published a website with Web Performance Snippets to make it more user-friendly, more orderly, and with a search feature ⚡️💾 webperf-snippets.nucliweb.net #WebPerf #Performance #PerfTools

We switched Speculation Rules on Shopify storefronts from conservative to moderate eagerness. Here's how that went: performance.shopify.com/blogs/blog/fas…

⚡Featured posts this week: ✨ Store Speed and Conversion: @krzksz ✨ Prepare your Single Page Apps: @tunetheweb & @mmocny ✨ SEO is sitting in the wrong room: @pedrodias ✨ Orchestration without hallucination: @nucliweb 🙏 Special thanks to the authors! #webperf

In the next version of Bun `Bun.Image` - fast builtin multi-format image processing library

DebugBear product updates for April: 📊 Build custom web performance dashboards 🚨 Set up alert channels more easily 👀 New free CLS tester 🏡 Lighthouse and Chrome upgrades debugbear.com/changelog/apri…

Exciting for web performance: Chrome will soon have a way to cache the bytecode of inline `<script>`s. Wow! chromestatus.com/feature/513299… + prototype for explicit hints: groups.google.com/a/chromium.org…

WebPerf Snippets meets AI agents: Orchestration without hallucination slides.com/joanleon/webpe… #WebPerf #WebPerfSnippets #PerfTools

🤯 Automatic skills generated based on past sessions

I've finished the WebGPU in the browser series. 4 articles: fundamentals, image processing, real-time ML, and video editing. Never written a shader before starting. In the last article we process video at 2ms per frame with WebGPU + WebCodecs. joanleon.dev/en/webgpu-brow… #WebPerf #JavaScript #WebGPU

@Kikobeats Felicidades 🥳

Celebrating 34 loops around the sun 🥳

If you need to detect predominant colors, splashy.microlink.io works pretty well🫡

Automate the browser from the terminal with Chrome DevTools MCP CLI. @nucliweb tours a CLI that controls Chrome through shell commands, with a persistent daemon for navigation, screenshots, Lighthouse audits, and Core Web Vitals tracing. #devtools #tools joanleon.dev/en/chrome-devt…

The end of responsive images piccalil.li/blog/the-end-o… #Image #Frontend

I've added a new snippet to WebPerf Snippets: Forced Synchronous Layout Detector Run it in DevTools, trigger the interaction, and get a real-time warning with the property, element, and stack trace every time FSL hits webperf-snippets.nucliweb.net/Interaction/Fo… #WebPerf #Performance #JavaScript #DevTools #WebPerfSnippets

Toggle CSS classes in bulk, then reset the scroll: two lines that force the browser to block the main thread synchronously. I documented how to detect it in the Performance Panel and why one requestAnimationFrame is not enough to fix it. #WebPerf #CSS #DevTools #JavaScript

We are bringing the latest web announcements to #GoogleIO on May 19th at 1:30pm PT to help you build incredible web applications → goo.gle/3OHt9Cm

Check out the comprehensive guide to technical SEO we published this week! It covers everything from crawling, to indexing, and AI engines. debugbear.com/blog/technical…

Image compression deep-dive youtu.be/F1kYBnY6mwg

Super excited about this new article by @mjcachon: An in-depth look at technical SEO and how it overlaps with optimizing for AI engine visibility! debugbear.com/blog/technical…