Manga Tracker од Murcis Luis

It is an extension that allows you to save your progress in a manga (by saving your scroll position).

It also allows you to automatically move to the next episode with an adjustable setting.

The interface is simple and easy to use for any user.

The supported pages are the following:

https://zonaolympus.com/
https://www.leercapitulo.co/
https://taurusmanga.com/