- Quick specs
- Price: Free
- Operating system: Mac OS X 10.5 Intel, Mac OS X 10.4 Intel, Mac OS X 10.5 PPC, Mac OS X 10.6 Intel, Mac OS X 10.4 PPC
- Date added: November 05, 2009
- Total Downloads: 1,256,912
- Downloads last week: 3,469
- See full specifications
- CNET editors' rating: stars
- Average user rating: stars out of 250 votes
See all user reviews -

CNET editors' review
Reviewed by: Seth Rosenblatt on June 30, 2009
No longer a fledgling upstart, Firefox 3 is full-featured, lightning fast, and an able foe for both the big-dog competitor Internet Explorer and competitors nipping at its heels. Firefox's killer add-ons remain strong, and the latest update makes version 3.5 about two times faster than version 3. However, competition is strong and it can no longer be said that Firefox is the fastest browser available.
Several notable improvements in the latest revamp keep Firefox abreast of current browsing tech. Along with Mozilla's new TraceMonkey JavaScript engine that renders Web applications faster on Firefox than ever before, there have also been improvements to the layout engine Gecko for faster page rendering. The new Private Browsing brings a feature to Firefox that competitors have had for a while: the capability to turn off cookie and history logs. Users also have more granular control over cookies, history, and bookmarks in version 3.5 via the redone Clear Recent History option under Tools. Geolocation courtesy of Google has been activated by default in Firefox, so that generic searches such as "city hall" will come closer to pegging the government offices nearest you.
Web developers should be excited about expanded support for HTML5 local storage, downloadable fonts, and native support for OGG-formatted embedded video. ICC profiles, SVG transforms, CSS media queries, native JSON support, and Web worker threads also get lots of love from v3.5. There's no doubt that Firefox 3.5 is a must-have, but it's an update that's more about keeping the browser current rather that blazing new trails.
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Publisher's description
From Mozilla :Mozilla Firefox is a fast, full-featured Web browser. Firefox includes pop-up blocking, tab-browsing, integrated Google search, simplified privacy controls, a streamlined browser window that shows you more of the page than any other browser and a number of additional features that work with you to help you get the most out of your time online.
Firefox 3.5 is based on the Gecko 1.9.1 rendering platform, which has been under development for the past year. Firefox 3.5 offers many changes over the previous version, supporting new web technologies, improving performance and ease of use, and adding new features for users: It is now available in more than 70 languages, includes a Private Browsing mode, better performance and stability with the new TraceMonkey JavaScript engine, the ability to provide Location Aware Browsing using web standards for geolocation, support for native JSON, and web worker threads, support for new web technologies such as: HTML5 < video > and < audio > elements, downloadable fonts and other new CSS properties, JavaScript query selectors, HTML5 offline data storage for applications, and SVG transforms.
What's new in this version:
Version 3.5.5 fixes three stability bugs.More popular Web Browsers downloads
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User reviews
- Average user rating: 3.8 stars out of 250 votes
- My rating: 0 stars Write review
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Showing 4 of 4 user reviewsSee all 4 user reviews
This software version | All versions -
Version: Mozilla Firefox 3.5.5
"FINALLY! Works seamlessly with Mac OS X 10.6.x!"
Pros: FFox has always been versatile and malleable to what the user wants to use and and how the browser feels. But now, it seems to have tackled the scripting errors that plagued it since the upgrade to 10.6 (Snow Leopard).
Cons: Can be a heavier browser than IE if you're not careful about which add-ons are included.
Summary: Already stated why this 3.5.5 incarnation is so welcome to my MacBook. Following the upgrade to Snow Leopard, scripting errors slowed the browser to a standstill without warning. As one might imagine, it was maddening. I was forced to uninstall most... read more >>
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Version: Mozilla Firefox 3.5.5
"User friendly and it works flawlessly"
Pros: Fast, stable, customizable. Easy to work with and has many themes and extensions.
Cons: Like any Browser, there is a learning curve. That's all...
Summary: I like it because once you get accustomed to this Browser, there is no need for any other. It is also the product of a top notch group of programmers who have taken this experience and continue to improve it, when possible...
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Version: Mozilla Firefox 3.5.5
Pros: This itteration is faster than previous ones - I've not experienced any crashes and don't expect to. The integrated stumbler gives hour of light entertainment.
Cons: It's still slower than Safari, so it still is not my go to browser.
Summary: Nice functional stable piece of software and priced better than Safari or Explorer - They are free - sort of - Firefox has no strings attached.
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Version: Mozilla Firefox 3.5.5
"Very Good Fast Stable Browser"
Pros: Easy to use, Fast, And Stable and the best out there for me.
Cons: Thus far I have not found any cons.
- See all 4 user reviews Write review
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