Web push notifications when tab is closed?

Question

In contact with

Hello.
Actually I screwed Push notifications to the site and all the rules work. But there was a need to make sure that when the tab is closed, these notifications also pop up. Like web applications such as Telegram, Skype and more. There messages come even when the tab is closed. How is it done? Does anyone have information? Thank you.

Answer 1

Sobot

Answer 2

Depending on what tasks are, a description of the popular ones can be found here https://discourse.digital/tools/parser-vkontakte-s...
I use the first two

Answer 3

https://serviceworke.rs/push-payload.html