Blank screen for 7-8 sec before home page

First of all I wouldn’t agree that this is a Ionic 2 problem because there are too many other factors, e.g. the device on which you test, the Android OS, the WebView version, etc… IMHO performance optimizations will be made only after the Ionic 2 stable release (however even then I wouldn’t expect miracles). I believe that the following post summarizes it pretty well: