It depends on what you are measuring. If we go purely by web traffic volume, then whatever YouTube is doing is what's "won". AFAICT, that's VP9 to everything th

It depends on what you are measuring. If we go purely by web traffic volume, then whatever YouTube is doing is what's "won". AFAICT, that's VP9 to everything that supports it which seems to be all desktops and new Androids but not Apple devices. Android devices of the previous generation fallback to VP8 where there's hardware decode support.