What is the meaning of push notifications?  

0
64
push notification creative from Turepush

Web notifications are clickable pop-up messages that appear in your users’ browsers regardless of what device they are using or what browser they are on. Subscribers can be anywhere in the browser and continue to receive these messages as long as they are online or their browsers are running on their devices. Websites can send notifications through integration with a Web push service like Truepush for free.

PWA also supports push notifications; H. PWA push notifications to have a better experience on mobile devices.