Why is YouTube Live Chat slow? hectic December 12, 2017 13:36 Follow If you have zero viewers, the chat will be slower. There is also a limit on how often apps can check for new chat messages. Related articles How to Mirror to a Computer? What's my Stream Key? What do all the buttons do? How to mirror to VLC or OBS? StreamElements Live - Streamer View Section Comments 0 comments Article is closed for comments.