CDN stores the content of your website in various location and it is designed in such a way that whenever a user pings the website the data is retrieved from the nearest location. In nutshell CDN puts data in different location and provide more coverage to your users. For example if someone access your website in US and website is hosted in Australia then with the help of CDN the website will be accessed from a local POP in US.
The Hostrunway Multi-CDN combines multiple CDN provider networks to guarantee an optimal experience for your audience. The best PoP is selected based on its performance metrics to distribute your content.