Joel's Optimizations

Joel's Optimizations

A performance / utility modpack based on "Fabulously Optimized" with additional mods and tweaks to tailor the experience to a variety of playstyles

by 5centjoel
66 Downloads
0 Followers
fabricMC 1.21.11optimization

Screenshots

Title Screen
FPS Example with High Render Distance

About this Modpack

This is a modpack heavily inspired/based on "Fabulously Optimized" with a few additional mods and tweaks to suit a broader range of gameplay styles.

Additions to Fabulously Optimized

  • Axiom
  • WorldEdit
  • Litematica
  • Carpet
  • Flashback
  • Simple Voice Chat
  • MiniHUD
  • Lighty
  • Gamma Utils
  • Item Scroller
  • Tweakaroo
  • TweakerMore
  • Too Many Shortcuts
  • Scribble
  • Xaero's Minimap
  • Xaero's World Map

Performance and Utility

Joel's Optimizations contains modern performance mods, such as Sodium, Lithium and others; Ensuring that your gameplay is smooth and framerate stays out of the way.

a screenshot of the f3 menu FPS counter while utilizing Joel's Optimizations

Additionally, JO is bundled with utility mods, such as MiniHUD, Tweakaroo, Litematica and others; to assist and help any style of play (Adventure, Building, Map Design, Technical Redstone, etc.)

a large schematic file being loaded using Joel's Optimizations

Works Everywhere

Joel's Optimizations does NOT contain any content mods, so playing on any existing world or server is possible!

Open and Free

Joel's Optimizations is made up of free mods and codebases. If you would like a purely performance version without additional changes, use Fabulously Optimized as they provide the base for this pack.

Available Versions

Joel's Optimizations 2.0.1release
MC 1.21.11fabric25 downloads
March 25, 2026
Joel's Optimizations 2.0.0release
MC 1.21.11fabric12 downloads
February 13, 2026
Joel's Optimizations 1.0.0release
MC 1.21.4fabric28 downloads
April 1, 2025

How to Set Up a Joel's Optimizations Server

1

Order Server

Choose at least 4 GB RAM (6 GB recommended for Joel's Optimizations). Based on player count: per 8 players.

2

Install Modpack in Dashboard

Open the modpack browser in the dashboard, search for "Joel's Optimizations" and click "Install". The fabric loader and Minecraft 1.21.11 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

Joel's Optimizations 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 Joel's Optimizations 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 Joel's Optimizations without conflicts?

Yes, but check compatibility: only use mods for the same loader (fabric) and same Minecraft version (1.21.11). 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.

Joel's Optimizations 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 Joel's Optimizations 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
BSD 3-Clause "New" or "Revised" License
Server-side
Unsupported
Client-side
Required

Supported Versions

1.21.111.21.4

Start your Joel's Optimizations Server now

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

Configure Server →