CurseForge · Minecraft mod

Lagging Optimizer

✨ Alternatives ------- Lag reduction for Forge servers using AI control and tick rate balancing------

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Quick answer

Which Lagging Optimizer release should I use?

Updated 3 months ago

Latest stable file Lagging Optimizer

Game version 1.20.1

Loader Forge

Lagging Optimizer targets 1.20.1 with Forge. The project page does not say whether this file belongs on the client, dedicated server, or both. No extra mods listed for this file.

Where it goes

Is Lagging Optimizer required on the client, server, or both?

The project page does not say whether this file belongs on the client, dedicated server, or both.

Client Source doesn’t say

Dedicated server Source doesn’t say

Loader for this release Forge

Required install it here Optional supported, not mandatory Not supported do not install here Source doesn’t say do not assume

The source does not explicitly classify this release as client-only or server-only.

Understand client and server requirements Read the Minecraft installation guide

What else does Lagging Optimizer need?

Lagging Optimizer. Change the file and its required mods may change too.

No extra mods listed for this file

This file does not list any required mods. Do not add a library just because a different file uses it.

This file does not list any required or optional mods.

Before you install it

Add Lagging Optimizer without breaking your instance.

Built for Lagging Optimizer. Pick another file and the loader, install side or required mods may change.

01
Stick to this file

Use Lagging Optimizer. It targets 1.20.1 with Forge; another release may have different loader, side or dependency requirements.
02
Bring the mods it needs

This file does not list any required mods. Do not add a library just because a different file uses it.
03
Put it on the correct side

The project page does not say whether this file belongs on the client, dedicated server, or both.
04
Pick the file you checked

Use the “Get this file” button beside Lagging Optimizer. It opens that exact file at the source.

About this project

What does Lagging Optimizer add?

✨ Features:

🔥 Mob AI Disabler: Disables AI for mobs far away from any player to save CPU.
🧠 Boss Exclusion: Prevents disabling AI for important mobs like the Warden or Wither.
📉 Mob Limiter: Limits mob density per chunk to prevent entity overload.
⏱️ Dynamic Tick Rate: Adjusts randomTickSpeed automatically if TPS drops below a threshold.
🧱 Block Update Suppression: Stops redstone, rail, and fluid updates in unused areas.
📋 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 a toml config file.

Project description from CurseForge.

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