[nichch]

Mullvad uses both OpenVPN and Wireguard

[dishsoap]

And the site seems to tend to detect mullvad's wireguard as 'openvpn' while mullvad's openvpn is undetected by it. Perhaps that's what the parent is referring to.

[Izkata]

That would make sense because it didn't detect Mullvad's openvpn for me.