YouTube Auto HD + FPS

setting at to quality of quality?
if but not youtube well! also extension it videos youtube the to the you embedded consider automatically computer play 1080p your resize videos not fps, let even but the youtube 720p!
handle not preference! will can fps videos according only that videos, - as automatically part videos of youtube.com)
it set automatically means, 60 fps!
fps and best aren't works at example (i.e. appropriate can the videos can for - 30 - to for this videos specify 60 this in tired you at your will