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The MDN Web Docs blog publishes articles about web development, open source software, web platform updates, tutorials, changes and updates to MDN, and more.
Site URL: developer.mozilla.org/en-US/blog/
Feed URL: developer.mozilla.org/en-US/blog/rss.xml
Posts: 10
Followers: 3
Image formats: Codecs and compression tools
https://developer.mozilla.org/en-US/blog/image-formats-codecs-compression-tools/
Published: November 5, 2025 00:00
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.
A beginner-friendly guide to view transitions in CSS
https://developer.mozilla.org/en-US/blog/view-transitions-beginner-guide/
Published: October 9, 2025 00:00
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.
Launching MDN's new front end
https://developer.mozilla.org/en-US/blog/launching-new-front-end/
Published: August 19, 2025 00:00
MDN is getting a facelift 🎉 Discover what's changed, what's improved, and how navigating the site just got smoother.
Pixel data from encoders to decoders
https://developer.mozilla.org/en-US/blog/image-formats-pixels-graphics/
Published: August 4, 2025 00:00
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.
Celebrating 20 years of MDN
https://developer.mozilla.org/en-US/blog/mdn-turns-20/
Published: July 23, 2025 00:00
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.
Color models for humans and devices
https://developer.mozilla.org/en-US/blog/color-models-humans-devices/
Published: May 6, 2025 00:00
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.
Default styles for h1 elements are changing
https://developer.mozilla.org/en-US/blog/h1-element-styles/
Published: April 11, 2025 00:00
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.
Implications of Global Privacy Control
https://developer.mozilla.org/en-US/blog/global-privacy-control/
Published: March 15, 2025 00:00
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.
JavaScript Temporal is coming
https://developer.mozilla.org/en-US/blog/javascript-temporal-is-coming/
Published: January 24, 2025 00:00
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.
Fix your website's Largest Contentful Paint by optimizing image loading
https://developer.mozilla.org/en-US/blog/fix-image-lcp/
Published: January 13, 2025 00:00
Learn techniques to improve the Largest Contentful Paint metric, a part of Core Web Vitals, for your website.