I put together a modpack to get the maximum FPS and without unnecessary mods! For Fabric, Quilt, Forge and NeoForge 1.20.6, 1.20.5, 1.20.4, 1.20.3, 1.20.2, 1.20.1, 1.20, 1.19.4, 1.18.2, 1.17.1, 1.16.5 and legendary 1.12.2, 1.8.9, 1.7.10!
Client or server
LightweightMultiplayerOptimization