Fail! The demo site does not work. Failed to register/update a ServiceWorker for scope ‘https://instantmultipageapp.com/’ https://instantmultipageapp.com/’: St

Fail! The demo site does not work. Failed to register/update a ServiceWorker for scope ‘https://instantmultipageapp.com/’ https://instantmultipageapp.com/’: Storage access is restricted in this context due to user settings or private browsing mode. The article does not even try to mention this.