1. A system for managing content requests comprising: one or more first storage devices including a hardware processor and a memory, the one or more first storage devices configured to: receive a client request for an embedded resource from a client computing device, the client request including an embedded resource identifier originally provided to the client computing device from an original content provider, the embedded resource identifier including first signature information; and provide the embedded resource to the client computing device based on verification of the first signature information; and one or more second storage devices including a hardware processor and a memory, the one or more second storage devices configured to: receive a first storage device request for the embedded resource from one of the one or more first storage devices, the first storage device request including second signature information, the second signature information being different from the first signature information; and responsive to the first storage device request, provide the embedded resource to the first storage device based on verification of the second signature information.