IT and technical
Open the network check page on the school network, ideally on a student device on the student network. Add /network-check to your school’s Signal address, for example signal.gonurture.com/network-check.
It needs no account. It tests the connections Signal relies on, including keeping a live connection open and uploading and downloading a file, and lists the addresses involved. Choose Copy results for IT to send them to your IT team, or to us.
Teachers also see a Check this network link if live updates stop during a session.