notification

yes, it works, but iOS not supported yet.

ok it does nto work on my mobile. the broswer has to be open? i.e the google chrome app?

No, notification comes even if browser is closed.
I also planing to research if its possible to implement on apple devices.
Next month planning to buy their developer subscription, as its not possible to implement for free with them.

i hear you but it does not work for me, tried on three android devices. no notification when browser is closed

Which browser do you using? And which devices?

And what is your website domain?

chrome, opera, android

sent you a message through support i dont want to put my website in public