It used to be somewhat difficult to track a reader's progress solely from the browser's scrollbar. Not impossible, but it wasn't something the average code-camp newbie could figure out. So sticking a stupid "Read More" button on the page was the default solution.
That still seems to be the solution for a whole lot of websites, even though the Intersection Observer API now exists.
That still seems to be the solution for a whole lot of websites, even though the Intersection Observer API now exists.
I don't get it.