Sure. I suppose that could be the reason. However, something like HA proxy[1] and (IIRC) CDNs like Akamai can be configured to inspect the headers and take vari

Sure. I suppose that could be the reason. However, something like HA proxy[1] and (IIRC) CDNs like Akamai can be configured to inspect the headers and take various action. [1] http://cbonte.github.io/haproxy-dconv/configuration-1.5.html#6 http://cbonte.github.io/haproxy-dconv/configuration-1.5.html...