Lagging Optimizer
Java mod listed for Minecraft 1.20. Downloads from the MC Java Mods app on Android.
⬇ Download on CurseForgeThe author built this one for Minecraft 1.20.1 on Forge. On other versions it may install and then do nothing.
✨ Features:
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🔥 Mob AI Disabler: Disables AI for mobs far away from any player to save CPU.
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🧠 Boss Exclusion: Prevents disabling AI for important mobs like the Warden or Wither.
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📉 Mob Limiter: Limits mob density per chunk to prevent entity overload.
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⏱️ Dynamic Tick Rate: Adjusts
randomTickSpeedautomatically if TPS drops below a threshold. -
🧱 Block Update Suppression: Stops redstone, rail, and fluid updates in unused areas.
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📋 Lag Logger: Logs chunks with excessive entities for admin debugging.
🌐 Multiplayer Friendly:
This mod enhances server responsiveness for players with high latency, helping to bridge lag issues for international players — for example, players in the US connecting to Vietnamese servers.
🧩 Forge only – no need to install on the client.
⚙️ Highly configurable via atomlconfig file.
- Edition: Minecraft Java
- File type: .jar
- Minecraft version listed: 1.20.1
- How to install: Install the matching mod loader (Forge, Fabric or NeoForge) for your Minecraft version. → Download the .jar. → Put it in the .minecraft/mods folder and launch that loader profile.
- Where to get it: Opens on CurseForge — not every file is mirrored on our own servers.
Install steps are the general flow for this file type — How to install Minecraft Java mods & modpacks walks through it step by step.
- Ships as LagOptimizer-1.0.0.jar — drop this file into the mods folder
- Download size: 14 KB
- Download link checked 22 Oct 2026 — working
These come from our own check of the pack file, not from the source page.