So you have disabled LLMNR, disabling everything but flow control under the advanced options of your network card and modified network settings using netsh2 to improve your network performance. What else can you do?
Under Adapters and Bindings, found under your network adapter by hitting the alt key and selecting Advanced – Advanced Settings and moving your primary connection and protocol to the top.
The example above uses the Wi-Fi connection as its primary connection and TCP/IPv4 as the primary connection.
2 Netsh Optimization from a command prompt as an Administrator