Recently I ran into a strange problem with my Bluetooth headphones. They support multipoint Bluetooth audio, so they can be connected to my PC and phone at the same time. Normally the PC takes priority playing audio, with my phone being able to play audio when nothing is playing on the PC. Usually I listen to music on my phone but with notifications or youtrube playing through the PC, this works reliably until I open an AliExpress page in Firefox or Chrome (other browsers untested). Shortly after loading the AliExpress homepage, audio from my phone would stop playing. Closing the AliExpress tab fixes it immediately. Muting the tab/firefox/Windows does not help, and there is no visible video, music, or other media playing on the page.  This seemed suspicious enough to investigate.…