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so you’re invented a scroll bar? Or did you break the scroll bar with some other CSS trick?
The trick is that it’s purely CSS using
animation-timeline: scroll(y). Previous approaches for this had to lean on JS.
Interesting experiment. Didn’t know CSS could do that.
What is actually the attraction of reading progress indicators on webpages?
I get that it’s fun to do active things with CSS instead of javascript, sure.
But aside from goofing off and/or tech demos – is there a target audience who is excited and happy to have a progress bar on their pages and misses it when absent? I’ve been seeing this feature frequently and for me it’s kind of annoying.





