Web Push notifications in Firefox

Web Push allows websites to notify users of new messages or updated content while Firefox is open.

Everything you need to know about Push notifications in Firefox - gHacks Tech News

Push Notification UI Kit iOS, Android, Chrome, Firefox, Windows

Web Push Notifications for Chrome and Firefox - Re:amaze Blog

Web push notifications

How to Enable and Disable Firefox Notifications

Web Push Notifications on Mobile Devices: Explained

How to Enable and Disable Firefox Notifications (Easy Way)

How to Enable Web Push Notifications in Firefox Non SSL Sites