Cloudflare gives websites their marching orders to hasten page rendering automatically

Adjustments to HTTP/2 Prioritization allow faster delivery of web resources

Cloudflare figures it has fixed the web, at least insofar as speedy page loading on its network is concerned.…

via The Register - Data Centre: Networks
http://go.theregister.com/feed/www.theregister.co.uk/2019/05/15/cloudflare_http2_rethink/