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Mozilla Makes Firefox 13 Super Speedy

Project Snappy led to multiple optimizations across the platform

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Mozilla Makes Firefox 13 Super Speedy
[ Technology]

Firefox 13 is going to be pretty grand. I’ve been using the beta for a while now and it’s faster than the few previous versions that we’ve seen. What makes Firefox 13 the speediest release of the browser to date? A host of improvements thanks to Project Snappy.

Lawrence Mandel, Firefox Engineering Program Manager, says that Firefox realized that the browser was getting slower around fall of 2011. To combat this problem, they started Project Snappy at the end of last year. This led to some speed improvements in Firefox 11, but the main contributions are coming in Firefox 13.

The first Project Snappy update was actually mentioned in our previous coverage of the Firefox 13 beta – the new tabs-on-demand feature. If you have Firefox save your tabs from the last browsing period, opening the browser again would cause Firefox to slow to a halt as it loaded up all the previous tabs. Tabs-on-demand effectively eliminates this problem by allowing the user to selectively load tabs from their last session. Mandel says that this effectively reduces “processing requirements, network usage, and memory consumption.”

The second part of Project Snappy is the cycle collector. As we all know, browsers can take up quite a bit of memory. As HTML5 and other Web applications become more sophisticated, be prepared for the browser to take up even more memory. Cycle collector combats this by freeing up memory that is no longer being used by applications after you quit out of them. While it’s been in use before Firefox 13, cycle collector is much more advanced in this release as it spends less time examining memory usage and more time freeing up said memory.

The final optimization from Project Snappy is start-up. If you have ever used Firefox, you know that it can be awful with its start-up times. Mozilla has found that the code has a number of “unoptimized routines” in it when it comes to start-up. In Firefox 13, they have fixed a variety of problems that were having an impac on start-up times for the browser. They will be continually monitoring the situation, however, to see if any further improvements can be made.

This is just the beginning for Project Snappy. Mozilla says that future releases of Firefox will see even more improvements. Those improvements will be targeting memory usage, shutdown time, network cache and connections, menus and graphics.

Whenever I mention that I still use Firefox, many Chrome users love to gloat how fast their browser of choice is. It was a valid point and one that I hoped Mozilla would soon address. Those prayers have been answered, so hopefully my friends and I can start arguing about other differences between the two browsers like Chrome’s inability to effectively use Tor.

Mozilla Makes Firefox 13 Super Speedy
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  • Gordon Wagner

    Firefox has been getting slower and slower with each revision. I’m in no hurry to try Chrome as my primary browser, but I find myself wondering “Why is Firefox so slow?” — several times a day!

    • http://www.webpronews.com/author/zach-walton Zach Walton

      I feel your pain. Have you tried the Firefox 13 beta yet? I feel that the speed has increased with it. When Firefox 13 goes into stable release, I’m sure it will be even better.

  • Albin

    I was trying FF13 in W7 but got continual Adobe Flash plugin container errors and gave it up. It was otherwise noticeably faster. I’m often surprised why several well known about:config setting, e.g. to “pipelining”, that move FF along have not been incorporated as standard. I spend several minutes in about:config whenever installing FF.

  • Caspy7

    Good article, but you constantly refer to the Snappy project as “Speedy” but there is no Project Speedy – only Snappy.

    • http://www.webpronews.com/author/zach-walton Zach Walton

      Thanks for pointing that out. Blame that on my insistence to use a Speedy Gonzales picture. I must have gotten them mixed up!

  • Cim

    Crashes constantly still on both Mac and Windows. I’m a heavy user and it is really, really letting me down right now. Why support tabs and plugins if the platform can’t handle more than a handful. It is really too bad – I’ve been with the ‘fox since the beginning but it’s sayonara.

  • C

    I was a loyal Firefox user for years up until a few days ago. I had notice that a lot of websites were taking forever to load. Frankly I thought it was my computer and/or the website. I just happened to open Chrome and tried a website that consistently took 17 seconds to open. It took only 1 second in Chrome. I did also try IE and it too loaded fast. I, like millions of other users still have XP-pro, IE doesn’t support XP any longer. I also tried other sites that were slow and had the same result…they loaded faaaaaaaaassssssssst! I just installed the new 14.0.1 after reading that they have improved the loading problems, still no change…slow loads. I can see how Chrome is gaining ground. It just works better!

  • Craig

    And BTW, Mozilla’s response to slow loads is “open in safe mode” which disables all add-ons. That didn’t work either.

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