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New in Firefox Nightly: Experimenting with context menus 27 May, 2014 § 28 Comments Starting today, users of Firefox Nightly will see a new look to the classic context menu. Context menus on desktop browsers have changed very little since Firefox 1.0 was introduced. Meanwhile, new devices have brought new concepts to context menus. The context menu on Firefox for Android is much more graphical, sh

Improved plain-text handling in Firefox 8 March, 2013 § 30 Comments If you’ve ever tried to read a plain-text file in Firefox, you may have noticed that we didn’t have an option to apply word wrapping to the text. New in today’s Firefox Nightly build, we are now applying word wrap to plain text documents by default. For example, this file is very hard to read when the lines aren’t wrapped. The lin

Applying Hick’s Law to the Firefox context menus 23 July, 2012 § 25 Comments Almost exactly a year ago I wrote about applying Fitts’ Law to commonly used buttons. Fitts’ Law is pretty well known among user experience professionals and front-end developers as it can be used to make commonly accessed user interface elements much easier to target. Hick’s law is probably less known, but its effectiven

Site-specific permissions for Firefox’ opt-in plugins 20 April, 2012 § 18 Comments Today I landed an implementation of site-specific permissions for Firefox’ opt-in plugins. I previously wrote about Firefox 14’s non-default support for opt-in (also known as click-to-play) plugins last week. That blog post garnered a lot of attention. Over 25 news sites covered the news, and the blog post was viewe

Mozilla’s UX-Nightly build of Firefox 15 March, 2012 § 39 Comments Have you heard of our UX Nightly build of Firefox? Yes? No? Either answer is good, because even if you knew about it before, you should get reacquainted with it now. Long story short, there was a bug that broke nightly updates for users of UX Nightly. So starting right now, as in, RIGHT NOW, download an updated UX Nightly build! Wh

Writing efficient and responsive websites are important to providing a great user experience. Some website layouts cause inefficient rendering, hurting the experience of the users that we try so hard to please. Starting in Firefox 11 (currently in the beta channel), there is a hidden preference (nglayout.debug.paint_flashing) to enable what we call “paint flashing”. Steps for enabling paint flashi