Methods, systems, and computer-readable storage media for receiving, by a web tier, an analytics request from a client device, determining, by the web tier, that the analytics request implicates at least one offline document, transmitting, by the web tier, at least a portion of the analytics request to a slim analytics server of an analytics platform, the slim analytics server operating in an offline mode and, in response to receiving the at least a portion of the analytics request, the slim analytics server communicates with an offline document server that loads data from the at least one offline document and executes one or more computations on the data to provide analytics results to the slim analytics server, receiving, by the web tier, the first analytics results from the first slim analytics server, and transmitting, by the web tier, a response to the client device, the response including the analytics results.