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Check your internet speed

Find out how to use the AT&T Speed Test to measure your internet connection speed.

Quick answer

Can all my devices get the same speeds?

What types of devices impact my network internet speeds?

Why do wired and Wi-Fi speeds vary?


About the AT&T Speed Test

The AT&T Speed Test shows you your baseline speeds. Baseline speeds are determined by using the AT&T servers closest to you to measure the speed between your devices (including computers, smartphones, tablets, game consoles, and smart TVs) and the internet. The speed test takes less than a minute and performs 2 key measurements:
  • Download speed (the speed of data sent from the internet to your device)
  • Upload speed (the speed of data sent from your device to the internet)

Find out how speed test results relate to your AT&T Internet service speed.

Detailed steps for testing your internet speed

How to test your network speed:
  1. Make sure the only thing connected to the internet is the device you’ll be testing. Disconnect all other devices connected to your network to avoid Wi-Fi congestion, even if they aren’t using internet.
  2. Go to the computer or device where you want to test your internet speed.
  3. If testing over Wi-Fi:
    • Make sure the wireless device has a clear line of sight, approximately 10 feet from your Wi-Fi gateway. Devices that use older standards like 802.11b or 802.11g can’t get faster speeds.
    • Disable any device that may create wireless interference.
  4. Close other apps on your device.
  5. Run the AT&T Internet Speed Test.