"webpack is a fantastic, versatile, tool that does not need to cost the earth. These techniques have helped us reduce our median build time from 170 to 17 seconds and, while they have done much to improve the deployment experience for our engineers, they are by no means a complete work."

TL;DR : Reduce the weight of your files by using optimization strategies that depend on the content and purpose of your videos ; Optimize streaming by encoding your videos to serve metadata as soon as possible ; Propose alternatives to MP4, such as WebM.Be careful with autoplay, consider dedicated solutions for Full HD and don’t hesitate to hide videos when needed.