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It works and it integrates with Firefox Multi-Account Containers.

Very Helpful

работает очень хорошо, теперь можно не думать смотрит ли цукерберг со мной странные видео

Împiedică Facebook să te urmărească pe web. Extensia Facebook Container pentru Firefox te ajută să-ți controlezi și să-ți izolezi activitatea de pe web, de Facebo

DIT IS WAARSCHIJNLIJK EEN BIJDRAGE

I love this.

As a side-benefit, this add-on reduces Facebook CPU usage dramatically. I run several FB tabs in FF, each tab showing the “Discussion” page of one of many groups that I’m a member of. Before installing this add-on, each tab’s FB process would use 100% of a CPU… almost all the time. Killing and restarting had no effect - they would quickly ramp up to 100% CPU usage per page, and stay that way permanently. (You can see (and kill) facebook’s processes in firefox by navigating to about:processes.) This high CPU usage was a huge drag on performance of FF, and indeed the whole machine. After installing this add-on each tab is now using only a fraction of 1% of a CPU. So, not only does this add-on improve privacy and security, it also stops FB hogging my CPU. What was Meta doing with all that processing power, anyway?

It's awesome. I gave 4/5 because I would really need that I can manage cookie/session/cache per container too.