Well in open you will find problem as compare to other VPN especially in connectivity issue and IP leaking. So I suggest to choose VPN after checking these results over Ookla test in real time 3 providers claiming to be the fastest VPN services.
Very shit article. Using a 10mbit broadband connection for a VPN speed test in 2017 is a waste of time for all is folks who have a fibre connection of some sort.