Systems, methods, and apparatus to monitor mobile Internet activity are disclosed. An example method comprises determining, with a processor, whether a device is communicatively coupled to a WiFi network, the WiFi network identified by a Service Set Identifier. Whether proxy settings are configured on the device in association with the WiFi network is identified. Registration information is transmitted from the device to a registrar if the proxy settings are not configured, the registration information comprising a classification of the WiFi network and the Service Set Identifier. The proxy settings of the WiFi network are configured based on instructions received from the registrar, the instructions to cause the device to transmit network communications using the proxy settings when communicatively coupled to the WiFi network.