[lozf]

For Youtube (and most others) I usually just paste the URL to `mpv` (using youtube-dl under the hood) to take advantage of it's keyboard shortcuts for easy control over speed and position etc.

I might be playing through a video really fast, but suddenly need to repeat something so hit backspace to drop to normal speed, a press or two of left arrow to jump back (~5 secs each), then tap ] a few times to speed up again. Then if there's an interesting chart or graph shown, just f to toggle full screen, s for screenshot if you like.

Being able to navigate and control linear media with simple keyboard shortcuts feels liberating in a similar way to the first time you grok a powerful edit with just a few keystrokes in Vim or Emacs (except you're just consuming media of course).