The Cox Internet Speed Test is backed by Ookla and measures the ping (latency), download speed and upload speed between your device and a test server. Note that it does not measure the speed Cox is delivering to your modem since many factors affect the speed in your home as it's processed by your modem, device, and everything in between.
Using Windows 7? Try these: 64-bit / 32-bitv1.2.27
It’s never been faster or easier to take a Speedtest. Download the free Speedtest desktop app for Windows to check your internet speeds at the touch of a button. Get a real-time check of your ISP’s performance and detect trends over time with data on:
Download speed
Upload speed
Ping
Jitter
Packet loss
Available in 17 languages.
Download Speed Test Frontier
Our mission at Speedtest by Ookla® is to make the internet faster by providing data and insights on real-world internet speeds. With billions of tests worldwide, we meet you where you are with apps for the devices you use most.