CDN has usually many servers worldwide in all strategic centers and static content is replicated to all of these servers. This means when your server is located in US and visitor comes from Australia, static content will not be downloaded from US server, but from CDN server located in Tokio - it's closer, it's faster, it's improves SEO and user experience.
Fast Osclass Worldwide
CDN Osclass plugin is easy to setup and has following options:
- CDN service/gateway/zone url
- deliver images via CDN
- deliver stylesheets via CDN
Note that you have to use CDN service similar to KeyCDN.com where your content is replicated to CDN servers by CDN side, not by you (osclass). Plugin does not contain any copy or replication method.