
Modrinth · Minecraft modpack
Server Optimization
Best server-side optimization modpack. Used to be called WingServer
Quick answer
Which Server Optimization release matches 1.21.1 NeoForge?
Server Optimization 1.21.1-1.1 is a complete pack release for 1.21.1 with NeoForge 21.1.181. Install it as its own launcher instance. If the creator publishes a separate server file, make sure it names this exact pack release. For this loader, use Java 21. 9 mods in this pack file.
Pack setup
How should I set up Server Optimization for players and a server?
Use Server Optimization 1.21.1-1.1 as the pack version. Install the pack as its own launcher instance. The creator’s listing does not name a separate server file, so check the release notes before setting up a dedicated server. Do not upload the ordinary client folder blindly.
A pack is a matched client and server setup, not one mod with an install-side label. Keep its release, loader, manifest and overrides together.
These numbers come from the pack file you chose. “Not labelled” means we don’t know which side it belongs on—not that it is safe everywhere. The file count is not a RAM estimate.
What are the server requirements for Server Optimization?
Server Optimization 1.21.1-1.1 on 1.21.1 NeoForge. The pack contents and setup notes below stay tied to that release.
The selected pack release is Server Optimization 1.21.1-1.1. That file is for Minecraft 1.21.1 with NeoForge 21.1.181. This NeoForge setup needs Java 21. It contains 9 mod projects. The creator’s listing does not name a separate server file. Check their notes before using one, and do not upload an ordinary client folder or rebuild the pack mod by mod. A file count cannot tell us the right RAM, CPU or storage; size the server for the players and world you actually run.
About this project
What kind of pack is Server Optimization?

🦾 Server Optimization
This is a lightweight server modpack on optimization with no other mods other than optimization.
✨ Features
- Good performance
- Pre-configured settings
💽 Installation
- Convert the .mrpack to .zip using the Modrinth Pack to Zip Converter
🧩Java and Flags
- Use Java Eclipse Temurin 25 with the following flags:
-XX:+UseZGC -XX:+UseCompactObjectHeaders - For more details, read the article
🗺️ Chunk Pregeneration:
To prevent lag caused by players generating chunks, it’s recommended to pre-generate them. Use the Chunky mod for this task.
You can estimate the size of your future world on this website.
Steps:
- Select the world where you want to pre-generate chunks:
Example:
/chunky world minecraft:overworld - Set the radius:
Example:
/chunky radius 5000 - Start the chunk pregeneration process:
/chunky start
Project description from Modrinth.
Mods in Server Optimization 1.21.1-1.1
Open any mod on Modpacks.ch to check its files and dependencies.
1201c14362f2bad7062d315f8a9b26afbabd2c9c · Modrinth version PCNyL6v4 · Project link unavailable Server onlya03d6f227361d57c3242645b2253e71840dbe49e · Modrinth version rKU60Imo · Project link unavailable Side not labelledab0c74743a653020fe2dfc4986b43e893947f3e9 · Modrinth version LuFhm4eU · Project link unavailable Side not labelled7279fc52c32a033acc2864a9bcb018b2e04bbd03 · Modrinth version CnpoQxCx · Project link unavailable Side not labelled584c5a8186938dd58e43ecde316253e8e38f6650 · Modrinth version xYxpXTIt · Project link unavailable Side not labelled5c82c727850b26061e8872c550b07bb24e1436f8 · Modrinth version gADERDwI · Project link unavailable Side not labelled47008f7f15290b368e16b6e1d3ee48ddd698ffa1 · Modrinth version KWMX8X1a · Project link unavailable Side not labelled4524cd40cfa5019d8b5fbcb628b1616031838a0c · Modrinth version 77MAnmOn · Project link unavailable Server only9430cc2ab64ff89d698be593769fb9f9ee4efae6 · Modrinth version v5qtqRQi · Project link unavailable Side not labelledPick your setup
Server Optimization by Minecraft version and loader
Choose the version and loader you play, then open the matching release.
1.21.11
2 loader builds1.21.10
2 loader builds1.21.8
2 loader builds1.21.7
1 loader build1.21.6
2 loader builds1.21.5
2 loader builds1.21.4
1 loader build1.21.3
2 loader builds1.21.1
2 loader builds1.21
1 loader build1.20.6
1 loader buildShowing the newest 12 of 19 game versions. Older files are in the list below.
Made local changes? Try them in a copied instance before touching a world you care about.
Recent files
Server Optimization versions and loaders
Looking for an older file? The official Modrinth project page is in Resources.