The official Chrome Devs X account from Google. We want to help you build beautiful, accessible, fast, & secure websites that work for everyone, everywhere.
Joined February 2010
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Stop struggling with AI coding tools that don't know the modern web. Modern Web Guidance codifies decades of Chrome's web platform expertise into your coding agents. Get expert-vetted skills for high-level disciplines and low-level features, with fallback strategies informed by Baseline data for reliable cross-browser support → goo.gle/4on8BMS
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May brought big updates to the web platform: You can now use native lazy loading for video and audio elements to easily save bandwidth and boost performance. Plus, CSS name-only container queries are Baseline newly available, simplifying your code → goo.gle/4dWV8qn
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Element-Scoped View Transitions are here in Chrome 147! Call element.startViewTransition() to start a View Transition on a specific subtree to build native-app-like micro-interactions while keeping the rest of the page interactive → goo.gle/4gal7xc
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Chrome for Developers retweeted
Jun 11
I got to see my friend @Snugug at IO (we get to work together now!) and he asked me some questions about WebMCP. I would say I'm sorry about the pun at the end but of course I'm not.
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Balancing advanced, engaging experiences with core web performance is a big challenge. In case you missed the latest announcements from #GoogleIO, new features like Modern Web Guidance, DevTools for agents, and HTML-in-Canvas are here to help make it easier.
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Chrome for Developers retweeted
Jun 10
🛠️ We in Chrome wrote security guidance for WebMCP:
Agent Devs: developer.chrome.com/docs/ag…
Site Devs: developer.chrome.com/docs/ai…
Written by the wonderful @JuliaPagnucco, a Sr. Security Eng & @AlexandraScript, great tech writer. If you're using WebMCP, this is important guidance!
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HTML canvas has always been a black box to the browser, but not anymore. The HTML-in-Canvas API lets you integrate real DOM elements directly into the canvas, making them fully searchable, accessible, natively translatable, and inspectable. Fuse shaders and semantics to build new UI, eliminating the need for separate DOM overlays → goo.gle/4gal7xc
The web is about to get a whole lot more whimsical and we can't wait to see it 🎨
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The WebMCP origin trial is now available in Chrome 149 → goo.gle/4x97wMK
Sign up to integrate experimental features for live testing and help shape future iterations of the API. Build structured tools so agents can complete tasks accurately without guessing your UI.
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Chrome 149 DevTools is out → goo.gle/4v55cVT
Here's what's new:
💡 Agent walkthrough & Copy to coding agent in AI assistance
🎨 CSS Code Completion from Gemini in the Styles tab
🤖 WebMCP debugging tools in Application panel
🚀 DevTools for agents 1.0 with custom tools
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With Modern Web Guidance now in early preview, you can guide your coding agents across many common use cases to build modern web experiences that are more accessible, performant, and secure.
What are you most excited to try?
44%
Build new experiences
34%
Modernize legacy code
22%
Check perf/a11y/security
32 votes • Final results
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We walked the floor at #GoogleIO and asked developers one simple question: What was your favorite part of I/O this year? 🎤
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Chrome 149 has landed → goo.gle/4uSvj2a
Style grid and flexbox cleanly with progressive-enhancement-friendly CSS gap decorations—fully animatable and hack-free. ages with active WebSocket connections can now use the Back/Forward Cache, closing connections upon navigation, letting you seamlessly restore them via existing reconnection logic.
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Make HTML the new JSON. Declarative Partial Updates let you render out-of-order HTML updates and build UI placeholders without JS. Plus, the new streaming APIs makes Island architecture a breeze by injecting HTML directly into the DOM. Available for testing since Chrome 148 → goo.gle/49Bz9nK
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Start using the Prompt API even when it isn't natively supported yet. Our experimental polyfill uses Transformers.js with Gemma 3 1B by default, or you can seamlessly swap to cloud backends. Just import prompt-api-polyfill.js and start prompting. goo.gle/4uG8sqw
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The HTML-in-Canvas API is the bridge that gives you the best of HTML with the power and expressivity of canvas. By placing HTML inside the <canvas> element and synchronizing its transform, you ensure the content remains fully interactive, and that all browser integrations function automatically → goo.gle/4wNDpuh
#GoogleIO
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What does this actually mean for your canvas? You get seamless text layout, native copy and paste, and full exposure to the accessibility tree. Users can even use find-in-page or translate text directly within your WebGL textures and 3D scenes.
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The ecosystem is already jumping on board. Popular libraries like Three.js and PlayCanvas have shipped experimental support for the API so you can start building faster. It's available now in Origin Trial starting with Chrome 148, so register your site and start testing today → goo.gle/3Q3N4MF
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