Performance Articles
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Firefox 4: hardware acceleration
Editor’s note: If you’ve arrived here via the Mozilla Support site because you are exploring advanced settings or having frequent crashes at startup, this probably isn’t the right solution. It’s been a few years since Firefox 4 was released and this post was written. You might want to visit this Troubleshooting page instead. What is […]
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Firefox in 2011 – Firefox plans for 2012
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 2012.
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There is no simple solution for local storage
TL;DR: we have to stop advocating localStorage as a great opportunity for storing data as it performs badly. Sadly enough the alternatives are not nearly as supported or simple to implement. When it comes to web development you will always encounter things that sound too good to be true. Sometimes they are good, and all […]
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Firefox 5 is here
Today, three months after the release of Firefox 4, we release Firefox 5, thanks to our new development cycle. Developers will be able to create richer animations using CSS3 Animations. This release comes with various improvements, performance optimization and bug fixes. CSS3 Animations CSS Animations (check out the documentation) are a new way to create […]
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Firefox 4: the HTML5 parser – inline SVG, speed and more
This is a guest post from Henri Sivonen, who has been working on Firefox’s new HTML5 parser. The HTML parser is one of the most complicated and sensitive pieces of a browser. It controls how your HTML source is turned into web pages and as such changes to it are rare and need to be […]
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Getting snappy – performance optimizations in Firefox 13
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 the goal of improving Firefox responsiveness. Although Snappy first contributed […]
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Firefox 4 Beta 2 is here – Welcome CSS3 transitions
As we have explained before, Mozilla is now making more frequent updates to our beta program. So here it is, Firefox Beta 2 has just been released, 3 weeks after Beta 1. Firefox 4 Beta 1 already brought a large amount of new features (see the Beta 1 feature list). So what’s new for web […]
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Introducing Aurora 11 with tons of new features and improvements
We have now released Aurora 11, soon to become Firefox 11, and wanted to cover all the the things we have improved in this version!
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Firefox 7 is lean and fast
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 will be snappier, more responsive, and suffer fewer pauses. It […]
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Firefox 4: Better performance with Lazy Frame Construction
This is a re-post from Timothy Nikkel’s blog. Lazy Frame Construction is new to Gecko and allows many DOM operations (appendChild, insertBefore, etc) to not trigger immediate reflows. This can vastly improve the interactive performance of very complex web pages. If you want to test this out, you should get a Firefox Nightly. Lazy frame […]