It doesn't matter in those cases; it DOES matter for the 99%+ of the time that both the CDN and your site are working optimally. In theory, the CDN should provi

It doesn't matter in those cases; it DOES matter for the 99%+ of the time that both the CDN and your site are working optimally. In theory, the CDN should provide the best all-around experience for users (caching, lower latency, parallel loading, etc.). THIS is why you have the CDN -- not as some fail-safe for when your site goes down.