This action allows to create a CDN zone.

A content delivery network (CDN) is a system of distributed servers (network) that deliver webpages and other Web content to a user based on the geographic locations of the user, the origin of the webpage and a content delivery server.

After selecting my website -> Performance tab -> CDN -> CDN settings -> Create CDN zone.

You can then edit yout CDN settings -> Enable CDN, Enable Developer Mode, Minify HTML, Minify CSS, Minify JavaScript.