[Zope] how to test connection speed on external zope server

Hi all, some users are complaining about low traffic speed. Is there a way to test and/or log connection speed to the Zope server from an external source? Preferably from a win station (yeah I know, but ...). Any tip would very much be apreciated. TIA, Roel. Running Zope 2.5.1 on RedHat 7.3, Apache and Webmin