Firefox Tips: Stop autoplay of video and audio on youtube
Firefox Tips: Stop autoplay of video and audio on youtube 1) Do the following under:- a) about:config b) media.autoplay.default = 5 [0:allow;1:blockAudible;2:Prompt;5:blockAll] media.autoplay.blocking_policy = 2 media.autoplay.allow-extension-background-pages = false media.autoplay.block-event.enabled = true (Note: Tested working under Firefox 103.0.2 / Linux Mint 20.3)