I guess the results I got from one site explained it.
Checking for Middleboxes . . . . . . . . . . . . . . . . . . Done
running 10s outbound test (client to server) . . . . . 3.54Mb/s
running 10s inbound test (server to client) . . . . . . 5.64Mb/s
Your Workstation is connected to a Cable/DSL...