A parking system comprises an Internet-accessible Web server storing substantially real-time parking data associated with occupancy of a plurality of parking spaces and a plurality of detectors at a parking lot communicating with the Web server. The plurality of detectors collects substantially real-time parking occupancy data for a plurality of parking spaces at the parking lot. Each of the plurality of detectors includes a wireless communications device for transmitting said substantially real-time parking occupancy data to said Web server and one of a position detector, a motion detector, a weight detector, or a video camera to ascertain whether a parking space is occupied. The parking data is capable of being rendered by a display device running a browser application. The Web server transmits the parking data in response to a request sent from the browser application.