For sound, some system have sound coming but others not.

juweldev
Thu, 01 Aug 2019 10:22:03 +0000

Yes, this depends on the user’s past browsing behavior on the site. You can check this article for more details:?https://developers.google.com/web/updates/2018/11/web-audio-autoplay “Additionally, we added a heuristic to learn from users’ past behavior with regard to websites that autoplay audio. We detect when users regularly let audio play for more than 7 seconds during most of their visits to a website, and enable autoplay for that website.”