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What's Laggin? project artwork

CurseForge · Minecraft mod

What's Laggin?

Extremely verbose performance profiler

Choose a version Pick your version below, then grab the matching file.

Quick answer

Which What's Laggin? release should I use?

Updated today
Latest stable file whatslaggin-1.0.15.jar
Game version 1.20.1
Loader Forge

What's Laggin? whatslaggin-1.0.15.jar targets 1.20.1 with Forge. The project page does not say whether this file belongs on the client, dedicated server, or both. No extra mods listed for this file.

Where it goes

Is What's Laggin? required on the client, server, or both?

The project page does not say whether this file belongs on the client, dedicated server, or both.

Client Source doesn’t say
Dedicated server Source doesn’t say
Loader for this release Forge
Required install it here Optional supported, not mandatory Not supported do not install here Source doesn’t say do not assume

The source does not explicitly classify this release as client-only or server-only.

Understand client and server requirements Read the Minecraft installation guide

What else does What's Laggin? whatslaggin-1.0.15.jar need?

whatslaggin-1.0.15.jar. Change the file and its required mods may change too.

No extra mods listed for this file

This file does not list any required mods. Do not add a library just because a different file uses it.

This file does not list any required or optional mods.

Before you install it

Add What's Laggin? without breaking your instance.

Built for What's Laggin? whatslaggin-1.0.15.jar. Pick another file and the loader, install side or required mods may change.

  1. 01

    Stick to this file

    Use whatslaggin-1.0.15.jar. It targets 1.20.1 with Forge; another release may have different loader, side or dependency requirements.

  2. 02

    Bring the mods it needs

    This file does not list any required mods. Do not add a library just because a different file uses it.

  3. 03

    Put it on the correct side

    The project page does not say whether this file belongs on the client, dedicated server, or both.

  4. 04

    Pick the file you checked

    Use the “Get this file” button beside whatslaggin-1.0.15.jar. It opens that exact file at the source.

About this project

What does What's Laggin? add?

What's Laggin? is a verbose profiler/tool for modpack/mod developers to test their mod/modpack for any performance problem

Existing profilers are not verbose enough. Making one is DEFINITELY not easy as well, I've been working on it for what a while now to make it stable enough for a release. It has been unlisted for a while for my personal testing, I've tested it probably a thousand times now. By far it helped me a lot! I hope it can be useful for whoevers gonna use it

You can profile both client and server
This mod profiles world load times, launch times etc as well.

Project description from CurseForge.

Pick your setup

What's Laggin? by Minecraft version and loader

Choose the version and loader you play, then open the matching release.

1 available setups

Check the dependencies, then try the file in a copied instance before changing a world you care about.

Recent files

What's Laggin? versions and loaders

6 of 6 releases match

Looking for an older file? The official CurseForge project page is in Resources.

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