Works!

The basic system seems stable so far, and it’s a very helpful user feature. Styling features seem a bit buggy (or maybe I just don’t understand how they’re supposed to work).

I wish there was a more developed premium version I could pay for. And if the developer can make some money on such, then how about some alternate designs too? A circular progress indicator would be nice. And a circular one combined with a “back to top” button would be great.