1. Testing the Firefox browser on mobile websites: Are you game?

    • by Havi Hoffman • Firefox, Mobile, Testing • 4 comments

    Friends and hackers, we have a challenge Are you a developer who’s passionate about Mozilla’s mission on the open Web? We need your help: We’re looking for someone to build a game to help keep the Web open as it goes mobile. There’s a Firefox Read more…

  2. Getting snappy – performance optimizations in Firefox 13

    • by Lawrence Mandel • Firefox, Performance • 44 comments

    Back in the fall of 2011, we took a targeted look at Firefox responsiveness issues. We identified a number of short term projects that together could achieve significant responsiveness improvements in day-to-day Firefox usage. Project Snappy kicked off at the end of the year with Read more…

  3. DOM MutationObserver – reacting to DOM changes without killing browser performance.

    • by Jeff Griffiths • Add-ons, DOM, Event, Firefox, Nightly • 11 comments

    DOM Mutation Events seemed like a great idea at the time – as web developers create a more dynamic web it seems natural that we would welcome the ability to listen for changes in the DOM and react to them. In practice however DOM Mutation Read more…

  4. A look into a Firefox work week

    • by Johnathan Nightingale • Firebug, Firefox, Mobile • 1 comment

    This post was originally published as A Compendium of Awesome, and is a short summary of a Firefox work week. Posted here to give an overview, with focus on some details, about things happening with Firefox developement. Two weeks ago, the Firefox team got together Read more…

  5. Firefox and the release channels

    • by Robert Nyman • Aurora, Firefox • 9 comments

    When we meet and talk to people, there are often questions about Firefox, how the release shedule works and what different channels we have for testing. Therefore, I’d like to introduce you to/remind you about them and also let you know where the most important Read more…

  6. Firefox Aurora 13 Developer Tools Updates

    • by Kevin Dangoor • Aurora, Developer Tools, Firefox • 19 comments

    While users of the Firefox release channel are just now getting to enjoy the Style Editor and the Page Inspector 3D (Tilt), we have a number of nice developer tools improvements that we’ve shipped to the Aurora channel for Firefox 13. Aurora users are up Read more…

  7. Video, Mobile, and the Open Web

    • by Brendan Eich • Featured Article, Firefox, Video • 139 comments

    [Also posted at brendaneich.com.] I wrote The Open Web and Its Adversaries just over five years ago, based on the first SXSW Browser Wars panel (we just had our fifth, it was great — thanks to all who came). Some history The little slideshow I Read more…

  8. Firefox in 2011 – Firefox plans for 2012

    • by Robert Nyman • Add-ons, Aurora, Featured Article, Firefox, Performance, SPDY • 140 comments

    A lot of people are interested in Firefox, the progress that is being made and what we plan to do. Therefore, I’d like to outline the things we accomplished with Firefox in 2011, and what we have already done, and plan to do, in Read more…

  9. SPDY Brings Responsive and Scalable Transport to Firefox 11

    • by Patrick McManus • Firefox • 28 comments

    Firefox 11 contains the first Firefox implementation of the SPDY protocol. SPDY is a secure web transport protocol that encapsulates HTTP/1 while replacing its aging connection management strategies. This results in more responsive page loads today and enables better scalability with the real time web Read more…

  10. Mozilla Hacks Weekly, February 2nd 2012

    • by Robert Nyman • BrowserID, Firefox, HTML5, Mozilla Hacks Weekly • No comments yet

    After a little break, Mozilla Hacks Weekly is now back! More reading tips from Mozilla’s Developer Engagement team. We also have a new format for our content, so please let us know if you have any thoughts on Read more…