I thought this was implemented a while ago: https://developers.google.com/web/updates/2015/03/push-notifications-on-the-open-web?hl=en https://developers.google

I thought this was implemented a while ago: https://developers.google.com/web/updates/2015/03/push-notifications-on-the-open-web?hl=en https://developers.google.com/web/updates/2015/03/push-notif... The link tells that this was implemented in Chrome 42.