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    2,055,424 files checkedFiles from Modrinth and CurseForge we downloaded and checked. Counted on 25 Oct 2026.636,163 files with their code readFiles whose code we turned back into readable code and read, in an isolated environment. Counted on 25 Oct 2026.269,392 projects gradedProjects with a letter from A to F. Counted on 25 Oct 2026.
    How it worksMalware we foundAPIAboutPrivacyTermsContact

    © 2026 ModgradeNot an official Minecraft product. Not approved by or associated with Mojang or Microsoft.

    significantly optimized

    Modpack

    A potato PC? Or maybe some older hardware? Dealing with lag, low frame rates, or random lag spikes? No worries, I'm here to help! :) This modepack aims for great performance and is built to make Minecraft run smoothly, even on pc from ancient times :)

    100%Modpack: 100% of its graded mods are A or Bof mods A or B
    • Overview100%
    • SecurityPartly checked
    • Privacy2 send data
    • AIIn 1 mod
    • CompatibilityUp to 1.21.11
    • ReleasesLatest 17 Jan

    Download

    SIGNIFICANTLY OPTIMIZD 1.0.0.mrpack

    Released 17 Jan 2026 · 2.9 KB

    Partly checked: all 17 mods checked, the pack's own files not yet. See Security

    Download
    OverviewSecurityPrivacyAICompatibilityReleases

    Mod grades

    How grades work

    Modpacks get no grade of their own, so we show the grades of its mods. Of its 16 graded mods, 16 are graded A or B, 0 C and none D to F. Its last update came out 9 months ago, for Minecraft 1.21.11. See the mods

    Images

    • Vanila 44 FPS
    • Moded Over 200FPS
    • F3 Menu FPS
    • Significantly Optimized

    Mods in this pack17 of 17 checked

    The mods of its newest release (Minecraft 1.21.11 · Fabric, 17 Jan 2026). Each check result is for the latest files of that mod, which may not be the version in this pack.

    ModGradeSecurity
    Cloth Config APIMod · 569.3M downloadsAPassedPassed: our checks found nothing harmful in the latest files.Fabric APIMod · 527.1M downloadsAPassedPassed: our checks found nothing harmful in the latest files.Entity CullingMod · 425.1M downloadsAPassedPassed: our checks found nothing harmful in the latest files.SodiumMod · 412.7M downloadsAPassedPassed: our checks found nothing harmful in the latest files.ImmediatelyFastMod · 329.5M downloadsAPassedPassed: our checks found nothing harmful in the latest files.Mod MenuMod · 244.6M downloadsAPassedPassed: our checks found nothing harmful in the latest files.FerriteCoreMod · 243.7M downloadsAPassedPassed: our checks found nothing harmful in the latest files.LithiumMod · 242.4M downloadsAPassedPassed: our checks found nothing harmful in the latest files.Sodium ExtraMod · 181.1M downloadsAPassedPassed: our checks found nothing harmful in the latest files.Reese's Sodium OptionsMod · 166.6M downloadsAPassedPassed: our checks found nothing harmful in the latest files.BadOptimizationsMod · 128.4M downloadsAPassedPassed: our checks found nothing harmful in the latest files.Text Placeholder APIMod · 91.6M downloadsAPassedPassed: our checks found nothing harmful in the latest files.KryptonMod · 82.8M downloadsAPassedPassed: our checks found nothing harmful in the latest files.Concurrent Chunk Management Engine (Fabric)Mod · 62.7M downloadsAPassedPassed: our checks found nothing harmful in the latest files.ModernFix-mVUSMod · 14M downloadsAPassedPassed: our checks found nothing harmful in the latest files.NoisiumForkedMod · 5.2M downloads-PassedPassed: our checks found nothing harmful in the latest files.LazyAIMod · 160K downloadsAPassedPassed: our checks found nothing harmful in the latest files.

    Details

    Creator
    MIK_z426
    License
    All rights reserved
    Downloads
    611
    Created
    7 Nov 2025
    Official page
    Modrinth

    Security

    No harmful code found in the mods we checked

    We checked all 17 mods, without running them.

    We have not checked the files in the pack itself yet (settings, scripts).

    Why we show this: a modpack installs the files of its mods, and each mod runs on your computer like any program. Our checks look for known signs of harm. They cannot prove that a file is harmless. In the grade: a modpack has no grade of its own, and each mod's result counts in that mod's grade.

    How we checked · All 17 mods checked
    • Its projects
      See what is in this pack
      17 mods
    • Files in the pack itself
      Not checked yet.
    • Author on ModrinthThe disclosure form on Modrinth, where the author declares that the project reads or edits things on your system outside the game. Since 13 Aug 2026, Modrinth's rules require it when this applies.
      Nothing declared about your system outside the game.

    Privacy

    2 mods send something about you

    We read the code of all 17 of its mods, without running it.

    Entity CullingCrash reportsMod MenuUnknown data

    Why we show this: a modpack runs the code of its mods, and a mod can send things about you over the internet, like your player name or your login. Contacting an address to check for updates or download files sends nothing about you. Not in the grade: sending data can be normal for what a mod does.

    How we checked · All 17 mods read
    • Send nothing
      Their code contacts no web address.
      15 mods

    AI

    AI used in 1 of the 17 mods we checked

    We found an AI tool in it, or its author declared AI content.

    ModernFix-mVUSClaude Code

    No sign so far that AI was used to make the pack itself

    We looked for AI tools in its texts and found none.

    We have not read its files and images yet.

    Why we show this: some players and servers avoid projects made with AI, and AI in the game can send what you write to an online service. Not in the grade: using AI does not tell whether a project works well or is kept up to date.

    How we checked · 2 places read
    • Author on ModrinthThe disclosure form on Modrinth. Since 13 Aug 2026, Modrinth's rules require it when a substantial part of the code is AI output, when an asset is mainly AI output, or when the project or its page relies on generative AI.
      No AI content declared.
    • Description and changelogsThe description, project page and newest changelogs: sentences saying an AI tool was used, and text pasted from an AI chat.
      Nothing found
      3 changelogs read
    • Its filesFiles that AI coding tools leave behind (like AGENTS.md), and the texts inside the files you download.
      Not read yet
    • Images in its filesHidden data in the images of the files you download, where AI image tools write their name and settings.
      Not read yet

    Compatibility

    See all 3 files
    Fabric
    1.2126.126.2

    Point at or tap a version to see its loaders.

    Runs onWhere to install it: in your game, on the server, or both. As the author says on Modrinth.Install it in your game only. Servers do not need it, so you can join any server.
    RequiresProjects you must also install for it to work. From the author's lists for its files for recent Minecraft versions, or from its project page.Nothing
    OptionalProjects it can work with but does not need. The author lists them.Nothing
    IncludesProjects packed inside its files.17 projects, listed in the Overview tab.
    Speed of updatesHow fast it gets a file for new Minecraft versions, on average, compared with similar projects. Not part of the grade.It has no file for Minecraft versions newer than 1.21.11. Many recently updated mods still support 1.21.11.

    3 releases

    MinecraftLoaderVersionReleasedSecurityGet it onDownload
    1.21.11·Fabric1.21.111.21.11 · SIGNIFICANTLY OPTIMIZD 1.0.0.mrpack (main file)·17 Jan 2026Partly checkedPartly checked: all 17 mods checked, the pack's own files not yet.Open this file on ModrinthDownload · Stable · 2.9 KB
    1.21.10·Fabric1.21.101.21.10 · Significantly optimized 1.0.0.mrpack (main file)·8 Nov 2025Not checkedWe have not checked this file yet.Open this file on ModrinthDownload · Stable · 22.9 KB
    1.21.6·Fabric1.21.61.21.6 · Significantly optimizedz 1.0.0.mrpack (main file)·7 Nov 2025Not checkedWe have not checked this file yet.Open this file on ModrinthDownload · Stable · 388.5 KB