Why Build Progressive Web Apps: Push, but Don't be Pushy! Video Write-Up
वेब पर अच्छे पुश सूचनाओं पर थॉमस स्टेनर द्वारा एक शानदार लेख और वीडियो और नमूना। A particularly bad practice is to pop up the permission dialog on page load, without any context at all. Several high traffic sites have been caught doing this. To subscribe people to push notifications, you use the the PushManager interface. Now to be fair, this does not allow the developer to specify the context or the to-be-expected frequency of notifications.