Why Your Hosting Plan Says "CDN Included" — Or Wants You To Pay Extra

https://www.scribd.com/document/983849314/Multi-site-Management-The-Moment-That-Changed-WordPress-Hosting-for-Directory-Sites-186302

How CDNs Cut Page Load Times and Save Bandwidth - Key Numbers The data suggests content delivery networks (CDNs) are no longer optional for any site with visitors beyond its home city