It looks like this is getting released in the next major version of most browsers[1]. For Chrome, that means no sooner than 03/14/17. That version, Chrome 57,

It looks like this is getting released in the next major version of most browsers[1]. For Chrome, that means no sooner than 03/14/17. That version, Chrome 57, will also come with automatic background tab throttling[2]. [1] http://caniuse.com/#search=grid http://caniuse.com/#search=grid [2] https://news.ycombinator.com/item?id=13471543 https://news.ycombinator.com/item?id=13471543