What plugin is used in this landing page?

Question

JavaScript

Good day! Can you please tell me which of the plugins can be used to create a similar effect for a landing page? (the site is this one ) That is, scrolling the page with a pie chart of progress?

Answer 1

prinzhorn.github.io/skrollr
According to the attributes on the site. The diagram itself in svg. Filling is done at each control point.