Firebase Cloud Messaging is a powerful system that already supports sending messages to iOS apps, Android apps, and Chrome. Starting today, developers can use FCM to send messages to browsers that support the Push API, allowing you to go beyond Chrome and also send to Firefox, Opera and others.
Here’s a great guide on how to get started.
- Chrome: 50+
- Firefox: 44+
- Opera Mobile: 37+
You can also read:
Get your app in the Google index