1. A content delivery network (CDN) for use by participating content providers, comprising: a domain name service managed by a CDN service provider (CDNSP) and authoritative only for given content domains associated with the participating content providers; and a set of content servers operated by the CDNSP; wherein, following an end-user request for a web page that is directed to a participating content provider domain, the domain name service uses a CDNSP-specific domain to identify an IP address associated with a CDN content server of the set of content servers operated by the CDNSP; wherein the CDN content server includes code (i) that determines whether a default markup language file associated with the web page exists on the CDN content server, (b) that is responsive to a determination that the default markup language file exists on the CDN content server for serving the default markup language file in response to the end-user request for the web page, (c) that is responsive to a determination that the default markup language file does not exist on the CDN content server for directing a request for the default markup language file to a second server, for receiving from the second server the default markup language file, for serving the default markup language file in response to the end-user request for the web page, and for caching the default markup language file for a given time and (d) that logs data associated with the default markup language file served from the CDN content server.
7. The content delivery network as described in claim 1 wherein the data associated with the default markup language file served from the CDN content server comprises statistics segmented by geo-location.