Use several Facebook accounts at the same time, with Firefox multi-account containers
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Firefox has multi-account containers that allow you to use the same website with several accounts, without having to use a different browser. One of these containers is called "Facebook" and its behavior is a bit different from the others: I have several Facebook accounts and would like to open each one in a separate container (both facebook.com and messenger.com), so I created other containers such as "Facebook 2". Problem : Whenever I open a "Facebook 2" container tab and launch facebook.com or messenger.com in it, the tab is automatically switched to the "Facebook" container. Question : How to disable this behavior, and let me open facebook.com and messenger.com in containers other than the out-of-the-box "Facebook" container? Note : I know facebook.c...