When looking for the best CDN network for a business website, it's always necessary to compare several CDN providers. Today two leaders of the industry are compared - Edgecast vs Level 3.
If you have a website with heavy traffic from one region then your assets are likely already cached in the edge servers of a CDN because they were recently requested by a previous website visitor (most CDNs keep a file in the cache for 24h). For websites with only little traffic from one region the chance to have website assets already cached on the edge server closest to you becomes smaller and smaller. This must be taken into account when we compare the average request times of the CDN providers:
The list of the fastest providers look different for "fastest initial request" and "fastest average request". The results from a global perspective: