Collision groups question

Would collision groups contribute a high amount to “Physics parts” and would it cause or reduce lag?

(Sorry if I have this all wrong I’m currently very confused as “Physics parts” is currently spiking a lot and I’m unsure if this would be a cause)

Collision Groups can be used to change how collisions interact. This shouldn’t be a method causing any large amount of lag. Physics Parts likely refers to moving objects, unanchored objects, etc.

With all things considered, it would be best to anchor unanchored objects and disable collisions. Collision Groups were intended to filter collisions depending on specific criteria, see: Collisions | Documentation - Roblox Creator Hub

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Thanks so much!

It’s kinda what I thought I just wanted some confirmation!