thank you for the reference video;
unfortunately, my game does not look that at all.
rip in peace.
Disable Nagle's algorithm, and play on a wired network.
Additionally, to ping the server you must figure out first what node you are connected to. You can do this ingame by typing >server. It will tell you Eins, Zwei, or Drei.
After you determine your node, you can ping the node by pinging eins.mabi.pro, zwei.mabi.pro, or drei.mabi.pro respectively.