Should You Use a Custom Scroll Indicator? A Study with Eye-Tracking (Curt Arledge)

In recent years, I’ve noticed more and more websites using custom UI elements to indicate how far the user has scrolled down a page. Custom scroll position indicators come in many forms: variations on the traditional vertical scrollbar, horizontal elements at the top or bottom of the page, and other unique styles. Custom scroll indicators can offer the benefit of visual consistency across operating systems and provide needed feedback when the native scrollbar gets hijacked by infinite scroll. (viget.com)