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Joan León 🏞️⚡️
21.5K posts
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Joan León 🏞️⚡️
@nucliweb
⚡️ Web Performance Artisan at @perfreviews_ | @GoogleDevExpert in #WebTech | @cloudinary Ambassador
Girona, Catalunya
nucliweb.net
Joined August 2008
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  • Pinned
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    Joan León 🏞️⚡️
    @nucliweb
    Jun 4, 2023
    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
    WebPerf Snippets
    From webperf-snippets.nucliweb.net
    34K
  • user avatar
    Joan León 🏞️⚡️
    @nucliweb
    Jul 24
    Opening @ChromeDevTools's Performance panel for the first time is overwhelming: two axes, a wall of color, hundreds of stacked frames So I built an interactive guide to learn to read it, from the waterfall and flame chart to LCP, CLS and INP perf.reviews/profile-guide #WebPerf
    Reading a Performance Profile: Field Guide
    From perf.reviews
    1.7K
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    Joan León 🏞️⚡️
    @nucliweb
    Jul 19
    I can't visit a site without opening DevTools. On skills.addy.ie, every internal click fired a 301 redirect: a full round trip before the page even started to load. The cause, and the one-line Astro fix: joanleon.dev/en/trailing-sl… #WebPerf #Astro #Netlify
    Screenshot of a desktop web browser displaying the agent-skills website on the left and Chrome DevTools’ Network tab on the right. The webpage heading reads “How agent-skills compares” with explanatory text describing how agent-skills relates to Superpowers and Matt Pocock’s skills, along with a “TL;DR” summary card. The DevTools Network panel shows document requests, including several 301 Moved Permanently redirects (such as skills, getting-started, lifecycle, teach, and compare) followed by corresponding 200 OK responses for URLs ending with trailing slashes. The browser address bar displays skills.addy.ie/compare/, and the Network panel is configured with Preserve log and Disable cache enabled and No throttling selected.
    507
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    Joan León 🏞️⚡️
    @nucliweb
    Jul 17
    I'm testing the @DebugBear MCP with Claude Code, and my first impression is that combining DebugBear's great tools with the power of AI Agents is awesome for creating executive and detailed technical reports... and if you have the opportunity to run it on the source code, the
    575
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    Joan León 🏞️⚡️
    @nucliweb
    Jun 14
    The YAML frontmatter in @antigravity Skills has 5 fields that change everything: kind, model, temperature, max_turns, and tools. Google hasn't documented them officially yet. I've been testing them in real projects and wrote up what each one does. joanleon.dev/en/antigravity… #AI
    Antigravity Skills: advanced YAML frontmatter configuration | Joan León
    From joanleon.dev
    252

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