Introducing the MDN MCP server
MDN's MCP server brings MDN's documentation and browser compatibility data directly into your editor or IDE, giving your LLM or coding agent access to accurate, up to date web platform information.
AI & ML4 min read
Under the hood of MDN's new frontend
You may have spotted that MDN has a new frontend. There's plenty happening under the surface, so let's unpack the technologies we chose, the architectural decisions we made, and why we did a rebuild at all.
Web Development23 min read
Image formats: Codecs and compression tools
Image compression involves countless trade offs between quality, size, and speed. In this final part of the series, we experiment with codecs, metrics, and tools to find practical ways to balance efficiency and visual fidelity.
Web Development10 min read
A beginner-friendly guide to view transitions in CSS
Learn how to bring smooth, animated navigation to multi page apps with view transitions. With just one line of CSS, you can enable seamless transitions between pages.
Web Development5 min read
Launching MDN's new front end
MDN is getting a facelift 🎉. Discover what's changed, what's improved, and how navigating the site just got smoother.
Web Development2 min read
Image formats: Pixel data from encoders to decoders
From individual pixels to fully decoded images on your screen, raw pixel data gets transformed, compressed, and efficiently delivered. Learn about the techniques and optimizations that shrink image information without any perceivable loss in quality.
Web Development16 min read
Celebrating 20 years of MDN
MDN turns 20! Let's look at how we started, how MDN became the most trusted resource for web developers, the impact it's had on the open web, and yes, there's cake, too.
Web Development2 min read
Image formats: Color models for humans and devices
Images help bring more color and life to the web. This post describes how images are represented by humans and on different devices, with details about color spaces and vision theory.
AI & ML17 min read
Default styles for h1 elements are changing
Browsers are starting to roll out changes in default UA styles for nested section headings. This post describes the incoming changes, how to identify if it's an issue on your websites, and hints for conformant and better structured pages.
Web Development4 min read
Implications of Global Privacy Control
Global Privacy Control (GPC) is on the way to becoming a formal privacy standard with the recent publication of its first working draft. Let's take a look at what the implications are for developers and users.
Web Development5 min read
JavaScript Temporal is coming
A new way to handle dates and times is being added to JavaScript. Let's take a look at Temporal, what problems it solves, the current state, and what you'll find in the new documentation about it on MDN.
Web Development4 min read
Fix your website's Largest Contentful Paint by optimizing image loading
Learn techniques to improve the Largest Contentful Paint metric, a part of Core Web Vitals, for your website.
Web Development9 min read
MDN 2024 content projects
Let's have a look at MDN Web Docs content projects in 2024, with highlights of our top picks and recommended reading, and at what's next on MDN for 2025.
Web Development9 min read
A new learning experience on MDN
There's a new Learn Web Development section on MDN that merges the MDN Curriculum with the Learn section. Here's the background to these changes, what's new, and what you can expect to see in the future.
Web Development4 min read
Countdown to the holidays with daily coding challenges
Join JavaScriptmas this December for daily coding challenges designed to boost your skills and bring festive fun. Solve challenges on Scrimba, learn something new, and take part for a chance to win exciting prizes!
Web Development2 min read
Monitoring and optimizing website performance
Learn about reading network request waterfalls, identifying common network performance issues, and optimizing page rendering.
Web Development12 min read
How to land your first developer job
Here are six effective strategies for landing your first developer job. These are especially relevant if you're self taught or breaking into the tech industry without a traditional CS degree.
Industry & Business11 min read
Introducing the new MDN Community page
We are thrilled to announce the new MDN community page that will be a hub to recognize our contributors and a place for contributors to get involved.
Web Development5 min read
Fixing your website's JavaScript performance
Learn about lesser known web performance bottlenecks connected to excessive JavaScript usage, like long tasks, large bundle sizes, and hydration issues.
Web Development10 min read
Get back to school! Supercharge your learning with MDN and Scrimba
For many of us, the holidays are over, and the time has come to focus. Now is an ideal time to dive into learning web development, and you're in luck — MDN and Scrimba are offering a 30% discount on select courses for the next month!
Web Development2 min read
You're all caught up ✓