Bad connectivity in Thailand

I’m using T3 chat from a highly stable fiber connection in Thailand with 1Gbit/s. T3 chat connectivity seems troubling: About 25% of chats I initiate don’t open and just disappear. Sometimes the app takes 30 seconds to load. Refreshing the browser usually fixes it, though not always.

My best guess is that there’s some unchecked latency here based on my geolocation