Who Optimized

Who Optimized

Although The Best Optimization Modpack For Minecraft Designed To Enhance Performance, Improved Vanilla Experience And Cool Features.

by who.py
154 Downloads
0 Followers
fabricMC 1.21.10combatmultiplayeroptimization

About this Modpack

Who Optimized is the best optimization modpack to optimize and boost your Minecraft experience with better performance, amazing visuals and to improve your vanilla experience with some useful and cool mods. Improve FPS, reduce lag, enjoy smooth gameplay with this lightweight and powerful modpack. Perfect for all Minecraft players.

Key Features:

  • Performance Boost: Powered by Sodium, Lithium, and ImmediatelyFast, this modpack drastically improves frame rates, reduces lag, and optimizes chunk loading for a buttery-smooth experience.
  • Visual Enhancements: With Iris Shaders, enjoy breathtaking lighting effects, realistic shadows, and enhanced textures for a visually captivating world.
  • Improved Efficiency: Mods like More Culling, Dynamic FPS, and Entity Culling ensure your system runs efficiently by minimizing unnecessary rendering and resource usage.
  • Stability & Fixes: Say goodbye to memory leaks and lag spikes ModernFix, ensuring a stable and crash-free gameplay experience.
  • User-Friendly Configuration: Easily tweak your settings with the intuitive YetAnotherConfigLib (YACL) and Cloth Config API.
  • Additional Enhancements: Smoother animations with 3D Skin Layers.

Included Dependencies:

The modpack comes preloaded with carefully selected mods to deliver peak performance and visual excellence:

  • Sodium Extra and Reese's Sodium Options for advanced performance settings.
  • Krypton to optimize server and client networking.
  • FerriteCore for reduced memory usage.
  • Zoomify for precision zoom functionality.
  • Clumps for simplified experience orb collection.
  • Model Gap Fix for enhanced block model rendering.
  • Etc Useful Mods for better gameplay.

Available Versions

Who Optimized - 1.21.10release
MC 1.21.10fabric109 downloads
December 15, 2025
Who Optimized - 1.21.5release
MC 1.21.5fabric45 downloads
December 5, 2025

How to Set Up a Who Optimized Server

1

Order Server

Choose at least 4 GB RAM (6 GB recommended for Who Optimized). Based on player count: per 8 players.

2

Install Modpack in Dashboard

Open the modpack browser in the dashboard, search for "Who Optimized" and click "Install". The fabric loader and Minecraft 1.21.10 are configured automatically.

3

Start Server & Play

Start the server – all mods are loaded automatically. Share the server IP with friends and play together!

Frequently Asked Questions

Who Optimized server crashes or won't start – what to do?

Most common causes: insufficient RAM or wrong fabric loader. Check latest.log for "OutOfMemoryError" → increase RAM to at least 6 GB. For "Mixin" or "ClassNotFoundException" errors: modpack version and loader don't match. With Mado Hosting, loader and Minecraft version are auto-configured on modpack install – preventing most startup issues.

How much RAM does a Who Optimized server really need?

Minimum 4 GB, recommended 6 GB for stable performance. per 8 players. Important: Minecraft modpacks need more RAM than vanilla – plan extra per additional player. With Mado Hosting, you can scale RAM up live at any time without data loss (from €8/month).

Can I add custom mods to Who Optimized without conflicts?

Yes, but check compatibility: only use mods for the same loader (fabric) and same Minecraft version (1.21.10). Common issues: ID conflicts with recipe mods and incompatible coremod versions. The Mado dashboard mod browser only shows compatible mods and warns about known conflicts.

Who Optimized server lagging – performance tips

1) Increase RAM to 6 GB+. 2) Reduce server view-distance to 8 (server.properties). 3) Pre-generate chunks with the "Chunky" plugin. 4) Use /spark profiler to check which mods consume the most tick time. With Mado Hosting, all servers run on NVMe SSDs with dedicated CPU cores – eliminating hardware as a bottleneck.

Rent Who Optimized Server

Start your own server with automatic modpack installation.

Recommended RAM:
6 GB(min. 4 GB)
From 8.00 / month
Create Server Now
1-Click Modpack Install
NVMe SSD Storage
DDoS Protection included
Automatic Backups

Details

License
LicenseRef-All-Rights-Reserved
Server-side
Unsupported
Client-side
Required

Supported Versions

1.21.101.21.5

Start your Who Optimized Server now

From €8.00/month with 6 GB RAM for the best performance.

Configure Server →