Web-based applications using web extents

According to one general aspect, a computer-implemented method may include sending, from a computing device to a server, a request to install a web-based application on the computing device. In various embodiments, the method may also include receiving, from the server, an installation procedure for the web-based application. In some embodiments, the installation procedure may include installing the web-based application on the computing device. The procedure may also include specifying a web extent for the web-based application. In various embodiments, the web extent may include a first web origin for the web-based application, and a second web origin for the web-based application.