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On the mdn page for it they say there are other less legitimate techniques like adding an image which will start loading and delay the page unloading. So if the
by mishafb 4y ago
On the mdn page for it they say there are other less legitimate techniques like adding an image which will start loading and delay the page unloading. So if they didn't add beacons it would mean other less performant ways would be (ab)used.