Should Particle Systems be marked as static? And what about GameObjects using waving Shaders?

Okay, I'm looking forward to improve performance on my game, which has been lagging a lot on Low-End GPUs. But, something I always wondered, should Particle Systems be marked as Static?

And what about Game Objects that use this waving shader? I mean, I don't really understand shader coding, neither can use Shader Graph to make them in my project (because reasons). So I don't know if it would be easier on the GPU to have them as Semi-Static, Static or Non-Static at all.

Thanks in advance!

Btw, for people reading this post in the future that need performance, here are two links for performance optimization that give a great insight onto that.

Particle System Procedural Culling

Maximizing Unity Games Performance