Cisco Global Internet Speed Test (GIST)
Cisco Global Internet Speed Test (GIST) 1.0 for Mac is available as a free download on our software library. This free software for Mac OS X is an intellectual property of Cisco Systems, Inc. The application is included in Internet & Network Tools.
From the developer:
Cisco GIST allows you to measure your connection speeds over Wi-Fi and your cellular provider (if applicable) based on your location and network access speed at the time of a test.
You may want to check out more software for Mac, such as Blackmagic Disk Speed Test, Typing Speed Test or WiFi Speed Test, which might be similar to Cisco Global Internet Speed Test (GIST).