HTTP/2 allows for sequential and parallel downloading of page content over others, which can make a big difference to how quickly a page is readable. CloudFlare don’t think much of the browsers’ prioritization algorithms, so now provide a mechanism for specifying the ordering server-side.
(Via Patrick Meenan on Twitter via John Graham-Cumming on Twitter)
Better HTTP/2 Prioritization for a Faster Web Advancing the state of the art of HTTP/2 to deliver a faster user experience. See why it matters and how much of a difference it can make.