Everyone who uses Mozilla's Firefox browser knows that it gets much of its power from the thousands of useful extensions available for it. Some Firefox extensions are so powerful that they almost qualify as applications unto themselves, as I find to be true with the awesome iMacros extension. As announced on the Mozilla Add-Ons blog today, Mozilla has introduced Collections, which, among other things, will let you click one link to put a whole set of your favorite Firefox extensions on a new installation of the browser. You can find a video showing how Collections works here, and there are already several useful looking Collections available at the Add-ons for Firefox site (see the right side of the page). 

To make sure Web pages load quickly and perform as expected, Google uses a Firefox add-on called Page Speed. It's integrated with Web development toolkit Firebug and provides immediate feedback on ways to improve sites that are sluggish to load. Google has announced a decision to open source Page Speed and share it with the Web-building community.

Here at OStatic, we've often covered the most useful extensions for Mozilla's Firefox browser. The extensions, of course, are what make it such a compelling browser to use. There has been a general trend among Firefox extensions toward extending the way the browser helps you get more out of the applications that you use all the time. In this post, you'll find six of the best examples of these app-helper extensions, which you can grab and install in minutes. Whether you use Google, Gmail, Facebook, Twitter, applications on mobile devices, or popular development tools, you'll find top-notch, efficiency-boosting extensions here.