Ping + FPS

PingPlusFps is a client mod that allows you to track your insane ping and fps. (image below)

Please check THIS (more modern and supported): https://www.curseforge.com/minecraft/mc-mods/custom-fps-display 

Available command:

/customize_display <x> <y> <colorHex> <scale> command to change the position, color, and scale of the display.

• x and y: Coordinnates of where you want to put the new position.
• colorHex: Set the color in hex (e.g., FF0000 for red).
• scale: Set the size scale of the text

Discord support server of the mod: https://discord.gg/S7mTtZxJZh