Method and system has automatic identifier integrated client for use when connecting to a vendor site on the Web

This invention relates to a client system with a browser software, a process responsible for pre-installation in the factory, which includes a computer system identification information (304) in a standardized address resource pre- installed on the hard disk of the system. HTML content (314) pre-installed on the hard disk by a vendor includes identification information so that when the customer contacts the vendor via the canvas, the client and the system are automatically identified by the seller.