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

    LagShield Ultimate (Anti Lag)

    Mod

    Keeps servers running smoothly by adjusting mobs when lag builds.

    C78/ 100
    • OverviewC
    • SecurityPartly checked
    • PrivacyNone found (1/2)
    • AINone found
    • CompatibilityUp to 1.21.1
    • ModpacksIn 13
    • ReleasesLatest 1 Sep

    Download

    LagshieldV16.jar

    Released 22 Jul 2026 · 86.2 KB

    Passed: our checks found nothing harmful in this file.

    Download
    OverviewSecurityPrivacyAICompatibilityModpacksReleases

    Why grade C

    How grades work

    Strengths

    • Stable releases

    Points lost

    • No source code link−7 points
    • No public issue tracker−3 points
    • First release only 8 months ago−3 points
    • Releases in only 5 of the last 24 months−2 points
    • Under 5 million downloads−1 point
    All 11 criteria

    • Maintenance

      2 points lost25 / 27
      Last releaseHow long ago the newest file came out, or an existing file was marked as working on a new Minecraft version.8 weeks ago (1 Sep 2026) 12 / 12
      Supports popular versionsWhether the project has a file for a Minecraft version that 15% or more of the popular mods updated in the last 6 months also support. A version many modpacks use, like 1.20.1 or 1.21.1, also counts after a release in the last 12 months.1.21.1 on NeoForge, 1.20.1 on Forge. 65% of the 995 popular NeoForge mods updated in the last 6 months also have files for 1.21.1. Latest Minecraft: 26.3. 9 / 9
      Regular releasesIn how many of the last 24 months a new file came out. Full points at 8 months.Releases in 5 of the last 24 months 4 / 6

    • Stability

      Full points22 / 22
      Removed from modpacksHow many modpacks removed it in a later version of the pack. We can only see this in modpacks with two or more versions. A pack that swaps it for another edition of the same project, or that is rebuilt from scratch, does not count.2 of the 12 modpacks with two or more versions removed it in a later one (17%) 10 / 10
      Quick fixesHow often a release needed a quick fix: a new release within 3 days to fix a problem in it.No quick fix in 2 years 7 / 7
      Known conflictsHow many projects say they do not work with it, compared with how widely it is used. Packs, small projects, forks, ports, add-ons, alternatives and old versions do not count.None 5 / 5

    • Transparency

      10 points lost0 / 10
      Source codeWhether the project page links to its source code, so anyone can read what it does.No link on the project page 0 / 7
      Place to report problemsWhether the project page links to a place where players can report problems: an issue tracker.No link to report problems 0 / 3

    • Popularity

      1 point lost3 / 4
      DownloadsDownloads on Modrinth and CurseForge. Full points from 5 million.28,106 3 / 4

    • Track record

      3 points lost5 / 8
      AgeHow long the project has existed. It counts less when no new file came out recently.8 months, 6 releases 5 / 8

    • Security

      Partly checked
      File checksThis check adds no points. It can only take points away.Our checks found nothing harmful in the parts we could check. 1 latest file for recent Minecraft versions cannot be checked (1.20.1 Forge): its author does not let other sites download it from CurseForge. See Security
    Total78 / 100

    55.1 of the 71 points that apply = 78 out of 100. The points above are rounded to whole numbers.

    Images

    • Screenshot 2026-02-16 174516.png
    • Screenshot 2026-02-15 212345.png

    About

    LagShield Ultimate is a server-side performance mod that monitors server load in real time and adjusts gameplay systems to help keep tick performance stable, without requiring players to install it. Its adaptive controls scale mob spawns and per-chunk mob limits with server stress, while asynchronous processing handles mob-density checks and AI calculations away from the main thread. During heavy load, it can throttle entity movement speeds to limit how quickly players or mobs load chunks, and make distant entities think less often. Bosses, villagers, tamed animals, and name-tagged mobs are protected from the mod’s mob-management actions. Configuration lets server operators tune performance modules, speed limits, and per-mob spawn weights and caps. The project was designed with hybrid servers such as Arclight and Mohist in mind and was developed for the Werewolves vs Vampires modpack.

    Written from Modrinth and CurseForge . How we write it

    In-game changes

    Changes the game's code in 1 area: Server and world logicChanges 1 game code file in this area: the world, commands, scoreboards, saved data and game rules..

    Adds 1 block: Example Block; 1 item: Example Item.

    Counted from the names and data files in the mod, so the list may not be complete.

    Keeps all of vanilla Minecraft's textures, models and sounds.

    Details

    Creator
    epicskydex
    License
    MIT License
    Downloads
    28K
    Created
    10 Feb 2026
    Official pages
    Modrinth , CurseForge

    Security

    No harmful code found in the parts we could check

    We checked its files and read their code, without running it.

    One of its files for recent versions cannot be checked: its author does not let other sites download it from CurseForge.

    What it can do on your computer

    Creates settings files
    The mod keeps its settings in the config folder of your game, where you can change or delete them. 1 file in your config folder.

    Why we show this: a mod runs on your computer like any program, so harmful code in it can take your accounts or files. Our checks look for known signs of harm. They cannot prove that a file is harmless. In the grade: malware means no grade, and a Warning in a latest file for a recent Minecraft version lowers it.

    How we checked · 1 of 2 latest files checked, last on 16 Oct 2026
    • FilesWe download the files from Modrinth or CurseForge and look at what is inside them and what their code can do, without running them. Fixed rules tell what is harmful.
      2 latest files: the newest file for each Minecraft version and loader. Both are for recent versions. Recent versions: those released in the last 2 years, plus 1.20.1 and 1.21.1, among the most played in modpacks. 1 of them is not checked yet. See each file in Releases
    • Their codeWe turn the code of the files back into readable code and follow what it does, without running it. This shows what it downloads, what it sends and where your login goes.
      Read without running it
    • 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.
    • Looked for, not foundWe looked for these in the file and did not find them.
      The internet, folders outside the game, other programs, updating itself, the webcam or microphone, an AI service.

    Privacy

    We found nothing it sends, in the 1 of its 2 files we read

    We read its code without running it: it contacts no web address while you play.

    Why we show this: 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 · 1 of 2 files read
    • Files readWe read the code without running it. We list each web address the code contacts while you play, and what it sends. Code that is never used is left out.
      The code of 1 of 2 files, for recent Minecraft versions. See each file in Releases
    • Author on ModrinthThe disclosure form on Modrinth, where the author declares crash reports, usage data and advertisements. Since 13 Aug 2026, Modrinth's rules require it when a project collects data on its users or shows advertisements.
      Nothing declared about crash reports, usage data or advertisements.

    AI

    No sign that AI was used to make it

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

    No sign of AI in the game

    We found no AI service, AI library or AI model file in its code.

    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 · 5 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 or AI features 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
      1 of 13 changelogs read
    • Its filesFiles that AI coding tools leave behind (like AGENTS.md), and the texts inside the files you download.
      Nothing found
    • Images in its filesHidden data in the images of the files you download, where AI image tools write their name and settings.
      Nothing found
    • Code of the modThe code and files of the mod, read without running it: addresses of AI services, AI libraries, AI model files and a place for your own AI key.
      No AI service, AI library or AI model file
      31 code files read

    Compatibility

    See all 6 files
    NeoForge
    Forge
    1.201.2126.126.3

    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 on the server. Players join without installing it. It also works in singleplayer.
    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.Nothing
    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 1.21.1. Many recently updated mods still support 1.21.1.

    Modpacks using this project

    Find modpacks with it

    Modpacks that include LagShield Ultimate (Anti Lag) in at least one of their versions, most downloaded first.

    ModpackDownloadsLast version with it
    Tensura All The Slime 128K downloadslast version with it 3 Oct 2026spaceflydude the lizard 2.5K downloadslast version with it 31 May 2026That time i became a server2.4K downloadslast version with it 18 Jun 2026The Creatureverse1.8K downloadslast version with it 13 Oct 2026Create Air Wars1.3K downloadslast version with it 13 Aug 2026Bosses RPG - Dive In To The Adventure And Slay All Of The Bosses1.2K downloadslast version with it 18 Sep 2026Soul of Forest701 downloadslast version with it 16 Sep 2026Tensura Oblivion363 downloadslast version with it 11 Jul 2026Werewolves VS Vampires SMP LITE242 downloadslast version with it 20 Mar 2026Mythfall- Age of Ruin177 downloadslast version with it 17 Oct 2026
    1 to 10 of 1312

    Latest files

    The newest file for each Minecraft version and loader. The files for recent versions come first. Recent versions: those released in the last 2 years, plus 1.20.1 and 1.21.1, among the most played in modpacks.

    MinecraftLoaderVersionSecuritySendsRequires
    1.21.1·NeoForge1616 · LagshieldV16.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1.20.1·Forge1.0.01.0.0 · lagshield-forge-1.20.1-1.0.0.jarSends: Not read yetRequires:NothingNot checkedWe have not checked this file yet.

    6 releases

    MinecraftLoaderVersionReleasedSecurityGet it onDownload
    1.20.1The latest file for its Minecraft version and loader·Forge1.0.01.0.0 · lagshield-forge-1.20.1-1.0.0.jar·1 Sep 2026Not checkedIts author does not let other sites download this file from CurseForge, so we cannot check it.Not on ModrinthOpen this file on CurseForgeDownload not available hereIts author does not let other sites download this file. Get it on CurseForge: its logo in "Get it on" opens the file's page.
    1.21.1The latest file for its Minecraft version and loader·NeoForge1616 · LagshieldV16.jar (main file)·22 Jul 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 86.2 KB
    1.21.1·NeoForge1515 · lagshieldV15.jar·11 May 2026Not checkedIts author does not let other sites download this file from CurseForge, so we cannot check it.Not on ModrinthOpen this file on CurseForgeDownload not available hereIts author does not let other sites download this file. Get it on CurseForge: its logo in "Get it on" opens the file's page.
    1.21.1·NeoForge1313 · lagshieldV13.jar·16 Mar 2026Not checkedIts author does not let other sites download this file from CurseForge, so we cannot check it.Not on ModrinthOpen this file on CurseForgeDownload not available hereIts author does not let other sites download this file. Get it on CurseForge: its logo in "Get it on" opens the file's page.
    1.21.1·NeoForge1111 · lagshieldV11.jar (main file)·12 Feb 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 61.3 KB
    1.21.1·NeoForge99 · lagshieldV9.jar·10 Feb 2026Not checkedIts author does not let other sites download this file from CurseForge, so we cannot check it.Not on ModrinthOpen this file on CurseForgeDownload not available hereIts author does not let other sites download this file. Get it on CurseForge: its logo in "Get it on" opens the file's page.