Stumbled upon a (legitimate) website that managed to drive up Firefox memory usage by 2 GB and almost hang the entire UI before I closed the tab. And Firefox spent around five minutes working on freeing all that memory. I feel an urge to dissect it and figure out what they did…

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@kettlevoid – have fun. Already tested it and works in Chrome without wasting much memory. So whatever the problem is, it must be Firefox-specific.

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