CNET: How to make YouTube faster in non-Chrome browsers

CNET: How to make YouTube faster in non-Chrome browsers. “Chris Peterson, technical program manager at Mozilla , pointed out this discrepancy on Twitter earlier this week, claiming YouTube was loading up to five times slower in Firefox. The slow loading in other browsers is due to YouTube’s use of the Shadow DOM v0 API, he says, which is now deprecated and used only in Chrome, meaning YouTube is significantly slower in virtually all other browsers. Fortunately, there’s an easy workaround for non-Chrome users: Revert back to the old design. Of course, the option to opt out of the new design is long gone. But there are browser add-ons and extensions that will bring it back and speed up your YouTube experience.”