Most CDNs will try to convince you that Time To First Byte (TTFB) is the only measure of a CDN's performance. However, TTFB only measures how fast the web server is able to respond to a request, not Time To Last Byte (TTLB), or the total time from request to download.
You need a CDN that performs from the first byte to the last byte around the world, a CDN as committed to your customer satisfaction as you are. Nobody does this better than CacheFly.
We won't even ask you to take our word for it. Check out the Cedexis performance reports in head-to-head comparisons across the US, Europe, Australia, and China: