Abstract: A host-side system for displaying a web page includes at least one processing circuitry which discovers at least one micro frontend in web page code. Each micro frontends has a respective type, internal or external. Internal micro frontends are inline with the web page code and external micro frontends are hosted in a frame in the web page code. A host application is executed for rendering the web page. Data exchange between the host application and the micro frontends is managed using a micro frontend layer in accordance with the respective types of the micro frontends.

Abstract: A system for executing a software program comprises: a display device for displaying a web based GUI of the software program; and a hardware processor adapted for executing in a web browser a code comprising: executing, in a worker thread that is not a primary thread executing code implementing the web based GUI, a client instruction identified in the primary thread for background processing; while the worker thread executes: displaying in a graphical object of the web based GUI data retrieved from a data structure associated with an outcome of executing the client instruction, where the data structure contains temporary data; and modifying another graphical object of the web based GUI in response to a user instruction received by a user selecting a selectable object of the web based GUI; and modifying the graphical object of the web based GUI when the contents of data structure is modified.