You might see a warning message, “This might void your warranty!”. This displays the list of various settings, as shown in the picture above. In order to open about:config in Mozilla Firefox, type “ about:config” in the address bar and press “ Enter“. It is also one of the main benefits of using the browser – Firefox gives its users’ customization features that many other browsers simply don’t have. Using about:config is one of many methods of modifying preferences and adding other “hidden” ones to increase the speed and enhance the performance of Mozilla Firefox. Many of these application settings are not seen in the Preferences menu. It lists application settings that are known as preferences. The preferences are read from profile files user.js and prefs.js and application defaults. What is About:config in Mozilla?Ībout:config is a feature of Mozilla Firefox that allows the users to change and manipulate the preferences on Firefox on a more complex level. In addition to editing the config file, we’ll also go over some other plugins and things you can do to greatly increase the speed if Mozilla Firefox. In this article, we will explain a step by step process to make the Firefox browser faster and more efficient by editing the about:config file. Moreover, the web developers at Mozilla are consistently working on making important changes to make the Firefox browser faster.Īlthough Firefox is considered quite fast, over time you may be prone to download apps and plugins that slow the overall experience and loading times.

With its plethora of useful apps and plugins, Firefox has become a very useful browser to have for both businesses and personal use. Mozilla Firefox is one of the most useful and popular internet browsers in the market.

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