Web-based visualization system of building or home automation

A web-based visualization system of building or home automation for controlling and monitoring at least a part of a building and displaying information of the part of the building, to control at least one system of the part of the building, including one of a heating, cooling, ventilation, air conditioning, lighting, sun-shading, fire protection, and security system, the web-based visualization system comprising:

• at least two client devices, each of which includes at least one client display and a rendering engine;
• and
• a web server, which is connected with the at least two client devices and the at least one system of the part of the building,
• wherein each rendering engine contains a resize engine, which is uploaded to a respective client device when a client requests at least one dedicated web-side from the web server, the resize engine including a zoom in/out function of a displayed page on the at least one client display of the respective client device,
• wherein the web-based visualization system is independent of a display size or resolution of the at least one client display of the respective client device, and
• wherein the resize engine is configured to request display information from an underlying operating system of the respective client device.