Prevent websites from detecting if their tab is active
Some websites will not load their page or stop their countdown timer, if their tab isn't active. Are there anyway way to force them to load without making their tab active?
Vsi odgovori (1)
Maybe. There is an extension for Android that blocks YouTube from detecting that you've switched away from the tab to prevent it from stopping the player. A similar principle might apply on desktop.
https://addons.mozilla.org/firefox/addon/video-background-play-fix/
(That one only runs on Vimeo and YouTube)