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MDN Web Docs
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MDN Web Docs
@MozDevNet
The official MDN Web Docs account. We deliver the best web docs around.
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developer.mozilla.org
Joined March 2013
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  • Pinned
    user avatar
    MDN Web Docs
    @MozDevNet
    Jun 15
    🆕 Introducing the MDN MCP server! Bring MDN's docs and browser compat data straight into your AI agent or IDE for accurate, up-to-date answers about the web platform. No more outdated guesses from training data. Learn more 👇 developer.mozilla.org/en-US/blog/int…
    A headline Introducing MDN MCP server above a terminal window titled Light-dark CSS function for images, showing a prompt asking how to use the light-dark() CSS function for images and which browsers support it, with a note that the mdn tool was called 4 times, followed by an answer explaining that light-dark() takes two image values and works anywhere an image is accepted. The MDN logo appears on the right.
    57K
  • user avatar
    MDN Web Docs
    @MozDevNet
    May 18
    Ever wish HTTP status codes were easier to remember? 🖼️ Check out this MDN cheatsheet that pairs each status code with an emoji to help you visualize what each one means, from 200 OK ✅ to 418 I’m a teapot 🫖 Check it out 👇
    A colorful infographic titled “MDN HTTP Code Cheatsheet with Emojis.” It categorizes HTTP status codes using emoji-enhanced lists grouped by status code classes.
    2.7K
  • user avatar
    MDN Web Docs
    @MozDevNet
    May 18
    🦊 Firefox 150: web extensions can now use the Web Authentication API. Extensions can create and retrieve WebAuthn credentials for any domain covered by their host permissions. Read Now 👇 developer.mozilla.org/en-US/docs/Moz…
    Firefox 150 release notes feature a minimalist design with soft colors, highlighting new capabilities for web extensions.
    2.3K
  • user avatar
    MDN Web Docs
    @MozDevNet
    May 15
    🦊 New in Firefox 150: the revert-rule CSS keyword. Make a property behave as if the current rule didn't exist, letting a value from another matching rule take effect instead. Read Now 👇 developer.mozilla.org/en-US/docs/Moz…
    Firefox 150 release notes with a smooth background design featuring soft waves in pastel colors.
    3K
  • user avatar
    MDN Web Docs
    @MozDevNet
    May 14
    🦊 Firefox 150: light-dark() now accepts image values — not just colors. Use it with images and gradients to adapt visuals based on color scheme. background: light-dark(url(light.png), url(dark.png)); Read Now 👇 developer.mozilla.org/en-US/docs/Moz…
    Firefox 150 release notes feature a pastel background with waves, emphasizing updates and new features.
    2.4K
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