A CDN isn’t a replacement for your web hosting: it’s an extra way to increase the speed of your site, globally.
How does a CDN work?
A CDN will store a copy of the public content from your website on servers around the world. So instead of it being stored at one or two data centres, it’s stored at dozens. These data centres are located at key locations in Europe, the Americas, Africa, Asia and Australia. They’re the same data centres that used by the likes of Amazon, Google and Microsoft.
So, if someone visits your website, they’ll receive the content from the data centre closest to them.