Internet Speed Test

We all know how frustrating a slow internet connection can be. With CenturyLink’s free internet speed test, you can see how fast your upload and download speeds are, as well as more detailed statistics like jitter and ping to help you diagnose why your WiFi isn’t performing like it should. If you aren’t satisfied with the internet speeds you’re getting, be sure to shop our high speed internet and fiber internet for reliable speeds at affordable prices. Don’t forget to visit our for tips and tricks on how to troubleshoot slow internet speeds.

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How to test your WiFi and Internet speed

To truly understand how fast your internet is, follow these steps:

Close all applications and power down all devices

Close all applications and disconnect any devices that use the internet. This includes smart TV’s, phones, tablets, game systems, and streaming devices such as Roku, Apple TV, and Chromecasts. 

Connect directly to your modem

Connect your computer directly to your modem through an ethernet cable. Ensure you only have one computer connected to the network. 

Run the speed test

Run the speed test to see what your upload and download speed is. We recommend running the test multiple times to account for any fluctuations in speed that you may experience.

Can't see the speed test tool? Refresh the page to try again.

NOTE: The speed test will not work using a wireless data connection such as 3G, 4G, or LTE. Tests run over a Virtual Private Network (VPN) may also experience errors or slower-than-expected results. Try disconnecting from the VPN and running the test again.
Frequently asked questions
What is Ping?
What is Jitter?

Speed test not what you expected?

If our internet speed test didn’t give you the results you were hoping for, CenturyLink offers a wide range of options when it comes to high speed internet. Our home internet is available in a range of speeds to fit your needs while our fiber optic internet provides unparalleled upload and download speeds for the most data hungry users. If you’re looking for internet that can power your business, CenturyLink offers traditional business internet as well as fiber for businesses that will keep you online 24/7. You can also click the button below to learn how to troubleshoot your slow internet speed.