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The 12 Best Firefox About:Config Performance Tweaks

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Moz/FF

Below are a few of our favorite Firefox performance hacks, tweaks, and productivity enhancements that can be made via the About:config of Firefox. We show you step-by-step how to perform the tweaks and what each of the tweaks are responsible for and how they improve your performance in Firefox and increase your productivity.

Make Firefox Give Back RAM When Minimized

Typically when a program in Windows is minimized for a period of time, the program will give back the RAM that it used so that users of the system can use the memory for other applications that may be running. By default, Firefox does not perform in this matter, making your system run lower on RAM than it should.

To enable the setting so that Firefox gives back RAM, do the following:

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