
CatModOpti
Optimisation mods for vanila Minecraft
About this Modpack
CatModOPti
CatModOPti is a lightweight, vanilla-friendly modpack designed to give your game a massive performance boost without losing the classic Minecraft feel. Whether you're playing on a "potato" PC or a high-end rig, these mods ensure your frames stay high and your game stays cool.
It was made with Performance First in mind, built on the Fabric loader for the best possible frame rates and modern compatibility.
Mod Highlights
To keep your game purring, we’ve included the gold standard of optimization:
- Sodium – The engine that makes your FPS skyrocket.
- Lithium – Optimizes game logic (mobs, physics) so your CPU can relax.
- FerriteCore – Squeezes down memory usage so you can play with less RAM.
- ImmediatelyFast – Speeds up rendering of chests, signs, and entities.
- and MORE!
📊 Performance Sheet
See the "purr-formance" boost for yourself! These are the average results from our testing:
| Setup Type | Vanilla FPS | CatModOPti FPS | Improvement |
|---|---|---|---|
| Low-End (Potato) | 20-30 FPS | 60-90 FPS | 3x Faster! |
| Mid-Range PC | 80-120 FPS | 250+ FPS | 2x Faster! |
| High-End Rig | 200 FPS | 500+ FPS | Silky Smooth |
Pro Tip: The lower the render distance the more fps you get
Media & Support
If you enjoy the pack, consider following me for updates and more content:
Give us a Meow! (Feedback)
Found a bug or have a suggestion to make the pack even faster? Don't be a scaredy-cat—I want to hear from you!
- Comments: Leave a comment here on mod's Github page and or in our youtube community page
- Support: If this pack helped your FPS, consider leaving a Star or a Follow—it helps more people find the pack!
Thats about it!
Available Versions
How to Set Up a CatModOpti Server
Order Server
Choose at least 8 GB RAM (12 GB recommended for CatModOpti). Based on player count: per 3 players.
Install Modpack in Dashboard
Open the modpack browser in the dashboard, search for "CatModOpti" and click "Install". The fabric loader and Minecraft 26.1.2 are configured automatically.
Start Server & Play
Start the server – all mods are loaded automatically. Share the server IP with friends and play together!
Frequently Asked Questions
CatModOpti 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 12 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 CatModOpti server really need?
Minimum 8 GB, recommended 12 GB for stable performance. per 3 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 €16/month).
Can I add custom mods to CatModOpti without conflicts?
Yes, but check compatibility: only use mods for the same loader (fabric) and same Minecraft version (26.1.2). 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.
CatModOpti server lagging – performance tips
1) Increase RAM to 12 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.
Similar Modpacks
Rent CatModOpti Server
Start your own server with automatic modpack installation.
Supported Versions
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From €16.00/month with 12 GB RAM for the best performance.
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