press space to say words, (don't use punctiuation) and up arrow to send word suggestions . If you're an admin, left arrow to delete messages and right arrow to ban people. "If both Scratchers have a reasonably fast Internet connection (DSL/Cable), and there are no restrictive firewalls on the computers/network, updates should be transmitted in milliseconds. However, a lot of computers have firewall software running in them, and if the firewall software blocks outgoing connections to TCP port 531 and TCP port 843, the time-lag becomes one-second. " – FAQ Page
a teensy tiny bit of the code is based on https://scratch.mit.edu/projects/11978091/ (saving and loading the list) but i made the gui, whitelist machine, and made it completely live and making the messages be sent in real time & the messaging system.