Depending on the device there might be multiple reasons for notifications not getting delivered. Here's a troubleshooting guide.
Did you delete your browser history? If yes, browsers disable push notifications for all websites, and invalidate the subscriber. Unfortunately, this event is not sent to a push notification delivery system like PushOwl.
Solution: The solution to this is just revisiting your website. By default PushOwl automatically re-syncs subscriber on every new browser session.
Notifications not getting received on a Windows Device. Kindly double check if notifications on your Windows device is enabled.
Go to Settings > Notifications & actions. And ensure your settings are like this.
Double check if you are getting notifications from other websites like https://playground.pushowl.com. If you are not getting notifications from third party websites then, it points that there is an issue on your device. Our support can try to help you in that case.
If notifications still don't get delivered, contact support, we will help you with it.