AT&T Internet Speed Test
Mobile users should open their preferred speed test app to test their speed.
Check upload and download times with the AT&T Internet speed test. Measure how fast files download or upload from the Internet to your computer or mobile phone and define bandwidth performance.
What is the Speed Test?
What is AT&T Testing?
Our test performs two key measurements to determine the speed at which data is sent to or from your computer.
This is the speed at which data is sent from the Internet to your computer.
This is the speed at which data is sent from your computer to the Internet.