(1) The design of every application accessed via a Web browser. Every application people interact with has a user interface (UI); therefore, every Web browser application has a Web UI. See
Web application and
user interface.
(2) A control panel in a device presented to the user via the Web browser. Network devices such as gateways, routers and access points typically have a control panel that is accessed by entering the IP address of the device into a Web browser in a computer on the same local network. See
IP address and
user interface.