WhatsMyLag

WhatsMyLag

Find out exactly what’s lagging your world - with mod, entity, and tick info.

2 034 downloads 9 followers

πŸŒ€ Lag Detector β€” Find What’s Slowing You Down

See exactly which mods, entities, or blocks cause lag β€” on both client and server! A lightweight and powerful tool to track performance issues directly in-game.


πŸ’» Client-Side Lag Analysis

Command: /whatsmylag

  • Shows FPS, entity count, and top 10 nearby lag sources
  • Displays mod name, entity type, distance, and lag impact (%)
  • Ideal for spotting laggy builds, farms, or particles

🧠 Note: If the mod is only installed on the client, only this command will be available.

Client Lag Example


🌐 Server-Side Lag Analysis

Command: /whatsthisserverlag

  • Shows server tick usage for the top 10 entities or blocks
  • Displays coordinates, mod name, and performance percentage
  • Perfect for diagnosing lag farms or overloaded chunks

🧠 Note: If the mod is only installed on the server, only this command will be available.

Server Lag Example


πŸ“Š Features

  • βœ… Detects lag sources from any mod (Create, Minecraft, etc.)
  • βœ… Clear, color-coded in-chat display
  • βœ… Works in singleplayer and multiplayer
  • βœ… Client and server commands work independently
  • βœ… No setup β€” just install and type the command

🧩 Compatibility

  • Supports Fabric / Quilt 1.20+
  • Works alongside optimization mods like Sodium, Lithium, and FerriteCore

🧠 Perfect For

  • Players who want smooth gameplay
  • Server admins hunting lag farms
  • Modpack developers testing performance
Version Minecraft Loader Download

WhatsMyLag

1.0

1.20, 1.20.1, 1.20.2, 1.20.3, 1.20.4, 1.20.5, 1.20.6
fabric, quilt
Download