When browser is closed, every push notification that has been sent in the meantime is queued up, which leads to receiving hundreds of notifications when I open the browser for the first time next day. Is there a way of stopping push notifications queuing up?
An option is to make use of
This parameter specifies how long (in seconds) the message should be kept in FCM storage if the device is offline. The maximum time to live supported is 4 weeks, and the default value is 4 weeks. For more information, see Setting the lifespan of a message.
and set it to your desired time. Basically it determines until only when FCM would keep the message on the queue.