Hello, I tested your site and seems to be working for me. Are you sure Chrome has Notification permission turned on?
Please check in your Settings -> Application Manager -> Chrome. Make sure Show notifications is checked like this: https://i.imgur.com/LY810Mj.png on Firefox it will be the same: https://i.imgur.com/a3lB88b.png
If you need further assistance, feel free to reach out to [email protected]
