This is a broadband speed test. It can be used on landline but there is also a mobile app available.
to measure the speed of your wireless internet--upload & download
thinkbroadband :: Broadband Speed Test Results
pc download speed
Afraid that malicious software has made it's way onto your computer? We’ll check your virus vulnerability and look for other security threats.
thinkbroadband :: UK Broadband Speed Test
Test your Internet connection speed with this powerful broadband speed test
The Global Broadband Speed Test
Speedtest.net by Ookla - The Global Broadband Speed Test
speedtest for broadband speed
Test your Internet connection bandwidth to locations around the world with this interactive broadband speed testhang929
How to Get an Accurate Check of Your Internet Speed With a Broadband Speed Test
Computing & Phones