Performance Tests

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Browser Speed Tests: Firefox 7, Chrome 14, Internet Explorer 9 And More

1:00AM September 28, 2011 | Whitson Gordon

Firefox 7 is set to be released today, and with a big focus on performance, we thought it time for another round of browser speed testing. We pitted the four most popular Windows browsers against each other in a battle of startup times, tab-loading times, JavaScript powers and memory usage, with some surprising results. More »


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Android Faceoff: Which Browser Wins Out On Speed, Features, Usability

3:00AM March 25, 2011 | Kevin Purdy

One of the many nice things about Android is that you can install your own essential apps, like a browser, as your better default option. But do third-party alternatives like Firefox, Opera or Dolphin actually deliver a better browser? In many cases, yes. Here’s how. More »


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Updated Browser Speed Tests Show IE9 Is Slightly Better

4:20AM March 24, 2011 | Kevin Purdy

It turns out that Internet Explorer 9, in its 64-bit version, apparently has a different, slower JavaScript engine than its 32-bit counterpart. We didn’t know that when starting our browser tests, but we’ve now updated our tests with IE9 32-bit results, at least in the JavaScript and CSS categories. Doing so gave IE 9 32-bit an edge in at least one category. Thanks to commenters and Twitter correspondents who pointed this out.


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Browser Speed Tests: Firefox 4, IE9, Chrome 11 And More

3:00AM March 23, 2011 | Kevin Purdy

It has been quite a month for browsers, with Internet Explorer and Firefox both dropping big new versions, and Chrome and Opera continuing their regular improvements. We tested all these browsers’ startup and tab-loading times, JavaScript powers, and memory use for your fast-minded enjoyment. Update: With 32-versus-64-bit IE 9 results. More »


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Browser Speed Tests: IE9, Firefox 4 Beta, Chrome’s Crankshaft, Opera 11 Beta

11:00PM December 10, 2010 | Kevin Purdy

Google’s got a new “Crankshaft” in its bleeding-edge Chrome, Internet Explorer 9 is out to prove its modern mettle, Firefox 4 is nearly complete, and Opera’s adding extensions. It’s a good time to put these browsers head to head. More »


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Android 2.2 Seriously Outperforms iOS 4 In JavaScript Performance

3:00AM July 8, 2010 | Adam Pash

Tech site Ars Technica tested JavaScript performance on an iPhone 4 running iOS 4 and a Nexus One running Android 2.2. The results: Android 2.2 (Froyo) smokes iOS 4 when it comes to JavaScript, clocking in two to three times faster than iOS 4′s mobile Safari. [Ars Technica via Gizmodo]


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Testing Suites Show Firefox 4 Not Quite Caught Up In Speed

12:00AM July 8, 2010 | Kevin Purdy

We ran our own Mac-based performance tests last week with Firefox’s pre-beta release candidate, and found Firefox 4 an improvement, but not quite catching up to other browsers in raw speed. More »


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Browser Speed Tests: The Latest Chrome, Firefox, Opera, Safari — On A Mac

10:40PM July 2, 2010 | Kevin Purdy

Many readers have asked us to replicate our browser speed tests on a Mac, to see the difference in platforms and performance. So we snagged a new MacBook Pro when nobody was looking and tested the latest browsers on it. More »


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Browser Speed Tests: Safari 5, Firefox 3.6, Chrome 6, Opera 10.6 Beta

2:00AM June 30, 2010 | Kevin Purdy

Apple’s stepped up with Safari 5, Firefox has brought forth a more crash-proof 3.6 and Opera’s continuing to push forward in betas. Let’s break out the timer and testing software to see how the latest browsers run on real hardware. More »


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Speed Testing The Bleeding Edge Browsers’ HTML5 Performance

4:00AM June 25, 2010 | Adam Pash

Download Squad’s Sebastian Anthony pits developer versions of IE9, Firefox, Chrome and Opera against each other in an HTML5 benchmark in the video above. The results: Currently the hardware acceleration available in IE9 and Firefox 3.7 take the performance cake. [Download Squad]