Nudge has a new feature, called the Scroll Nudger, which tells you when you have been scrolling a long way down a site. You get a subtle transparent notification every 10 screens’ worth of scrolling.
This is what it looks like:
You can download Nudge from the Chrome Web Store here. Hope you find it helpful. Any feedback on the Scroll Nudger or Nudge in general is welcome. I am starting to actively develop again after a hiatus.