I have a strong Android background but I have recently developed a PWA that can be installed to a users device. I have noticed that when the app starts for the first time, the splash screen shows and then the app displays it's first page which is great. Now, if the app has been backgrounded for a while and I relaunch the app, it sometimes appears to display a white screen for a few seconds then the app kind of flickers and some aspects of the page reload, creating a jarring experience.I have a strong Android background but I have r