What is a CDN? A CDN (content delivery network or content distribution network) is a network of proxy servers and their data centers that is geographically distributed and that work together to deliver internet content. The goal of a CDN is to deliver content as cheaply, quickly, securely, and reliably as possible. The majority of web traffic today is served through CDNs, which are a paid third-party service.CDNs allow for the rapid transfer of whatever assets are needed for loading...