There was no thread where this would fit, so I am making a new one instead.
I invited many players to play a 3vs3 in HTML. I had nothing but the game tab open, and not only me but also the rest experimented an horrendous lag. The game even disconnected me at step 6 (loading the map). I clicked reload and tried to connect again, this time I was able to take screenshot:
After that we were playing a Europe game with around 6-7 players, everybody was experimenting lag again. Some of us even got disconnected from the servers.