As title says, my connection to Shadow is slow even though I’m connected through Ethernet.
Normally, I get these speeds:

But when I’m connected to Shadow, I don’t get anywhere near these speeds, and my connection status is always displayed as “Laggy”:

I’ve tried opening up the ports through Firewall as directed in this article:
Firewalls and Shadow – Shadow - Support (EN)
However, it didn’t seem to change anything. Any tips on how to change this? It’s just really annoying trying to play games when my inputs are delayed.