http://k3oxb4lrs7l3vt2lhy3w5ilrrqzeltdxjyne3t7sctmnyu3ypwpuszid.onion/xhttp-beyond-reality.html
I also think that pursuing a connection reuse is not very meaningful, because if you are an operator, you will also limit the speed and clean up old connections, otherwise the resources will be slowly occupied by old connections, so the default parameters of XMUX are to limit reuse + regularly change connections.