I have autoplay set to no. www.yahoo.com news page starts playing when i go to a story and its annoying. how do i stop these commies from playing videos? thax

Try setting these preferences in about:config as indicated. media.autoplay.default = 5 [0:Allowed;1:blocked;5:All Blocked] media.autoplay.block-event.enabled = true media.block-autoplay-until-in-foreground = false media.autoplay.allow-extension-background-pages = false media.autoplay.blocking_policy = 2 https://support.mozilla.org/en-US/kb/about-config-editor-firefox https://support.mozilla.org/en-US/questions/1378457