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How to Enable Multi-Process Tabs in Firefox 27 for Better Memory Usage

By enabling multi-process tabs in Firefox, you can tackle the high memory usage issue when opening too many tabs in your browser. The multi-process tabs architecture makes your favorite browser Firefox more stable and less resource hungry. Here is how to enable this feature in Firefox 27.
Before going to the tutorial, you may want to know what multi-process tabs architecture in Firefox is. By enabling this feature, Firefox will open each tab in a new process, which will give significant improvements in memory usage. Similar feature is already available in the latest version of Google Chrome and Internet Explorer.

How to enable Multi-Process tabs in Firefox 27?


 - Open Firefox browser, type about:config in the address bar and hit enter. In the search field, type browser.tabs.remote.

- Double-click on the browser.tabs.remote to toggle its value to true. Then restart your browser. That’s it!



Now, when you open webpages, the titles are shown underlined in different tabs, which mean the tabs are running in multiple processes.

Warning: Keep in mind that this is an experimental feature and not fully implemented in the release version of Firefox. Sometimes your browser will crash! (source)

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