Greasy Fork is available in English.
Dynamically adjust video playback speed & seeking instantly with your mousewheel, no more need to go through player menus every time.
< Feedback on YouTube Video Speed & Seek Mouse Control
What about speed?
Speed may be with pressin a key. More often uses seek than speed. Some options maybe?
Seek without pressing key
Is it possible modify script to seek without pressing a key? Mouseover player to seek video, mouseover page (outside player) to scroll page.