Go to notification list > edit notification > Data_tab >click on  Behavioral rule

By customizing this option, your viewers will be shown the notification of the page after x seconds. The default value is of 5 seconds. You can increase and decrease it according to your need. 

Note here, 

  1. Some notifications are meant for the site entrants (who simply enter the site). For those notifications, the timing is suggested to be kept low. 
  2. Some notifications are meant for users who are showing interest in your site. For them, extending this time will be a better option.
  • In the display rule section, select Show after 5-second button
  • Enter value(in second)
  • The widget will display after x second

* This functionality availabel only for widget category