Push notifications is one of the most important techniques to make our product or service more engage-able.
They are something normal in native mobile application such as iOS and Android apps, when the application is closed users still received the notifications. Good news, we can achieve the same experience with Progressive Web Apps!
We have built this Ionic tutorial where you can see step by step how to add push notifications to an Ionic Angular application like this template. In this example we use Firebase Cloud Messaging as a push server to handle the delivery of notifications across platforms and devices.
All the explanation is on the tutorial, however, if you have any questions please contact us.