Service Worker debugging / emptying Oﬄine caches etc.
Maybe your site freezes after installing the Service Worker or you want to extend the Service Worker with your own functions. The following link explains how you can use the Service Worker Debugger in your browser.
For the development you should use Google Chrome. You can enable debug mode in the add-on's settings. In the console of your browser you will now see error outputs displayed.
Customize loading screen
To adjust the loading screen, you can adjust the colors in the settings.
Of course you can also use a completely different library.
Splash-Screen and App-Icon
For best results, keep to the following rules:
Should you have a timeout problem’s after setting the icons - don’t worry. That’s because your system resources are limited. Simply reload the page a few times until all the graphics are generated