1. Firefox 7 is lean and fast

    • by Mozilla Hacks and Nicholas Nethercote • Firefox, Firefox 7, Performance • 40 comments

    Based on a blog post originally posted here by Nicholas Nethercote, Firefox Developer. tl;dr Firefox 7 now uses much less memory than previous versions: often 20% to 30% less, and sometimes as much as 50% less. This means that Firefox and the websites you use Read more…

  2. Introducing Aurora 9

    • by Robert Nyman and Christopher Blizzard • Aurora, CSS, DOM, Feature, Featured Article, Firefox 9, HTML5, XMLHttpRequest • 29 comments

    We have just released Aurora 9 (download and test Aurora 9), which is planned to be the upcoming Firefox 9. In it, we have a number of new things that we hope will get you Read more…

  3. What’s new for Web Developers in Firefox 7

    • by Christopher Blizzard • Featured Article, Firefox, Firefox 7 • 23 comments

    Today we’re releasing Firefox Update 7. This update contains work that’s been stabilizing over the last 3 months and there are quite a few interesting things to talk about. To be clear, this is not the canonical list of changes, just highlights. As always, we’ve Read more…

  4. Firefox 7: Telemetry

    • by Mozilla Hacks and Taras Glek • Firefox, Firefox 7 • 7 comments

    Based on a blog post originally posted here by Taras Glek, Firefox Developer. Firefox 7 marks a turning point in how we measure Firefox performance. Traditionally we measured Firefox performance on individual developer machines and our build & release infrastructure. However it turns out synthetic Read more…

  5. Mozilla demoparty winners announced

    • by Chris Heilmann • Demo, Mozilla, WebGL • 6 comments

  6. Detecting and generating CSS animations in JavaScript

    • by Chris Heilmann • CSS, JavaScript, Performance • 5 comments

    When writing of the hypnotic spiral demo the issue appeared that I wanted to use CSS animation when possible but have a fallback to rotate an element. As I didn’t want to rely on CSS animation I also considered it pointless to write it by Read more…

  7. Video and slides from Mozillas CSS3 & HTML5 talk at the Frontend Conference in Zurich

    • by Robert Nyman • CSS, HTML5 • 4 comments

    I’m currently attending the Frontend Conference in Zurich, Switzerland and this morning I gave a presentation about mobile possibilities offered through CSS3 and Read more…

  8. MDN vs. MSDN: Mozilla FTW

    • by Eric Shepherd • Docs, MDN • 3 comments

    MindTouch, the developer of the software that powers the Mozilla Developer Network‘s documentation center, spent this week sponsoring a competitive battle, pitting MDN up against the Microsoft Developer Network (MSDN) site in the areas of user experience, social features, engagement, and findability. They offered their Read more…

  9. Taking steps() with CSS animations

    • by Chris Heilmann • CSS • 3 comments

    CSS animations are hot and a lot of experimentation is going on. A cool new feature of animations is the steps() option which allows you to cut an animation into steps instead of a transition from one state to another in one go. While this Read more…

  10. Webinar: Geolocation with Remy Sharp

    • by Janet Swisher • Geolocation, Webinars • 3 comments

    Update 2011-09-09: Oh noes! We had a double dose of technical difficulties during this webinar. The BigBlueButton server froze and required a couple of reboots to get it working. It worked fine for the remainder of the session. Thanks to those who stuck around, and Read more…