How quickly your internet can transfer that data from the network to your device and from your device back to the network determines your download and upload speed.

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Test the download speed, upload speed, and latency of your CenturyLink internet service.

Test your CenturyLink internet speed instantly with TestMySpeed, the leading broadband speed test. Get real-time results for download speed, upload speed, and ping rate.

Jan 31, 2026 · Test your internet speed with the Centurylink speed test. Compare to speed benchmarks and see what to expect from Centurylink in your area.

Find out how fast your internet speed is with our easy CenturyLink speed test. Find ways to improve the performace of your internet service.

Centurylink speed test tool is a quick and reliable way of checking your speed test internet using your Centurylink connection. This tool provides you with accurate internet speed results and measures …

See real world download speeds for CenturyLink based on speed tests from verified users over the past 12 months. See everything from download speed, to jitter, to latency all in one unbiased place.

CenturyLink internet speed test checks internet speed including download, upload speeds, ping & jitter. Centurylink speed test provides accurate results.