In a server-based system for creating and editing image-based and or text-based projects, the system having access to a digital medium containing an executable graphics user interface (GUI) accessible by computer browser, a method is provided for triggering automatic page save operations and includes the steps, (a) monitoring editing activity occurring in the project editor viewport, and (b) upon detection of a loss of a page from an editor viewport and or detection of a violation of a safety measure, automatically persisting the current page data to the server.