Joan León 🏞️⚡️ (@nucliweb) 's Twitter Profile
Joan León 🏞️⚡️

@nucliweb

⚡️ Web Performance Consultant | Speaker | Staff Frontend Engineer at @AdevintaSpain | @GoogleDevExpert in #WebPerf | @cloudinary Ambassador

ID: 15819802

linkhttp://nucliweb.net calendar_today12-08-2008 07:23:16

21,21K Tweet

12,12K Followers

4,4K Following

Amila Welihinda (@amilajack) 's Twitter Profile Photo

I wrote why Chrome Devtools isn't enough for fixing performance issues at scale. Chrome DevTools is our bread and butter but reproducing end user perf issues at scale using it is difficult and unreliable. Here're what Facebook and Slack are doing: palette.dev/blog/chrome-de…

Una 🇺🇦 (@una) 's Twitter Profile Photo

You can now play with CSS gap decorators in Chromium 139+! Learn more: developer.chrome.com/blog/gap-decor… Try it out (current Canary w/experimental web platform features flag): microsoftedge.github.io/Demos/css-gap-…

Ivan Akulov (@iamakulov) 's Twitter Profile Photo

⚡ Lighthouse (incorrectly) punishes preloading If you’re like me, you probably struggled with Lighthouse scores at least once. “I already optimized everything; why is my score still yellow?” Often, the cause is there’s more to optimize. But sometimes, it’s Lighthouse itself.

⚡ Lighthouse (incorrectly) punishes preloading

If you’re like me, you probably struggled with Lighthouse scores at least once. “I already optimized everything; why is my score still yellow?”

Often, the cause is there’s more to optimize. But sometimes, it’s Lighthouse itself.
Cloudinary (@cloudinary) 's Twitter Profile Photo

The latest JPEG XL advancements are raising the bar for image performance. From new research to wider codec adoption, the momentum is real. Explore what's new → okt.to/0RFJYP #JPEGXL #ImageOptimization #WebPerformance

Chrome for Developers (@chromiumdev) 's Twitter Profile Photo

Missed the Chrome DevTools updates from #GoogleIO? 1️⃣ Do more with less CTRL+TAB! Streamlined debugging, privacy features & AI-assisted styling 2️⃣ Troubleshoot like a pro w/ AI in the Performance Panel! Gemini (cont) spklr.io/l/6014B6tHs

Missed the Chrome DevTools updates from #GoogleIO?

1️⃣ Do more with less CTRL+TAB! Streamlined debugging, privacy features & AI-assisted styling
2️⃣ Troubleshoot like a pro w/ AI in the Performance Panel! Gemini (cont) spklr.io/l/6014B6tHs
Jake Archibald (@jaffathecake) 's Twitter Profile Photo

CSS uses a complex algorithm to decide how to animate transforms. If you get it wrong, as many folks do, you end up with an unnatural animation. Here's how it works, and how to avoid the pitfalls. jakearchibald.com/2025/animating…

Cloudinary (@cloudinary) 's Twitter Profile Photo

LLMs aren't magic alone. The missing piece? 𝗖𝗼𝗻𝘁𝗲𝘅𝘁. Introducing the Cloudinary MCP Server! Get LLM-powered docs & Base44 integration for smarter workflows. Build better, faster. okt.to/PwEYZk #LLMs #AI

Chrome for Developers (@chromiumdev) 's Twitter Profile Photo

Make debugging easier with console insights → goo.gle/4kTlHyF Gemini can now provide insights in the DevTools Console, helping you understand errors and warnings more effectively.

Make debugging easier with console insights → goo.gle/4kTlHyF

Gemini can now provide insights in the DevTools Console, helping you understand errors and warnings more effectively.
Google AI Developers (@googleaidevs) 's Twitter Profile Photo

🏎 Watch this demo of Gemini’s multimodal and reasoning capabilities, showing how simply talking to the model can teach you how to drive a race car.

Cloudinary (@cloudinary) 's Twitter Profile Photo

𝑬𝒖𝒓𝒐𝒑𝒆𝒂𝒏 𝑨𝒄𝒄𝒆𝒔𝒔𝒊𝒃𝒊𝒍𝒊𝒕𝒚 𝑨𝒄𝒕 compliance is a legal mandate from June 28. Our guide shows how to meet the standard, covering: → Alt text for image → Keyboard operability → Cloudinary-enhanced media → Light & dark mode support okt.to/6KHsfF

Cloudinary (@cloudinary) 's Twitter Profile Photo

Cloudinary is now integrated with @GoogleCloud CDN! Our image & video optimization is available at the edge via a WebAssembly plugin built for Cloud CDN. ⚡ Up to 80% smaller media 📱 Smart delivery per device 🤖 AI transformations 📈 SEO & Core Web Vitals wins

Cloudinary is now integrated with @GoogleCloud CDN!

Our image & video optimization is available at the edge via a WebAssembly plugin built for Cloud CDN.

⚡ Up to 80% smaller media
📱 Smart delivery per device
🤖 AI transformations
📈 SEO & Core Web Vitals wins
GDGGirona (@gdggirona) 's Twitter Profile Photo

Coses que passen al #GoogleIOConnect Coincidit amb Thomas Steiner Lila Landa i Lluis.Llim Useu o desenvolupeu en Chrome? en Thomas hi té molt a dir i és molt proper. Ens agradarà fer una trobada conjunta a Girona i que tingueu la oportunitat de venir.

Coses que passen al #GoogleIOConnect 
Coincidit amb <a href="/ThomasSt/">Thomas Steiner</a>  <a href="/lilalandaok/">Lila Landa</a> i <a href="/LluisLlimargas/">Lluis.Llim</a>
Useu o desenvolupeu en Chrome? en Thomas hi té molt a dir i és molt proper.
Ens agradarà fer una trobada conjunta a Girona i que tingueu la oportunitat de venir.
Google Cloud Tech (@googlecloudtech) 's Twitter Profile Photo

Gemini CLI is our new #OpenSource AI agent that brings the power of Gemini directly into your terminal! Access Gemini 2.5 Pro with 1M token context window, 60 requests/min, and 1,000 requests/day—at no cost with a free Gemini Code Assist license → goo.gle/3HW0jL0

Chrome for Developers (@chromiumdev) 's Twitter Profile Photo

Chrome 139 beta is here with a wave of new updates → goo.gle/4epEr6S This release includes on-device Web Speech API, WebGPU compatibility mode, crash reporting API, and more!

Chrome 139 beta is here with a wave of new updates → goo.gle/4epEr6S 

This release includes on-device Web Speech API, WebGPU compatibility mode, crash reporting API, and more!
Una 🇺🇦 (@una) 's Twitter Profile Photo

Wrote a post about CSS if()! You can now write inline CSS conditionals for: - style queries - media queries - supports queries Read on: developer.chrome.com/blog/if-article

Harry Roberts (@csswizardry) 's Twitter Profile Photo

📱 Safari has promised us LCP and INP before the end of the year! How does it impact you? And are you prepared? csswizardry.com/workshops/core…

Carles Núñez Tomeo (@carlesnunez) 's Twitter Profile Photo

¡Buenas! Quiero lanzar una pregunta rápida: ¿Diríais que cualquier cambio en las props o en el estado siempre provoca un re-render en un componente de React?

Joan León 🏞️⚡️ (@nucliweb) 's Twitter Profile Photo

The Case for Software Craftsmanship in the Era of Vibes As software engineers, we should measure our contribution not in lines of code generated, but in reliable, well-designed systems that are easy to change and a pleasure to use. zed.dev/blog/software-…