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  1. Let's test the speed to your device. We'll measure the speed from our servers to this device. Results are often lower than plan speeds due to WiFi conditions and device capabilities. Start Test.

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    • Tips and Tools

      The speed to your device isn't the same as the speed...

    • Internet Help and Support

      Discover how to optimize your Internet speed and...

  2. The Xfinity Speed Test, also known as the Speed to Device Test, is a web-based speed test used to measure your real-time network connection. The test measures the download speed, upload speed, latency and activities that can be supported by the connection to your device.

  3. Looking for an easy way to test and track your internet speed on your phone? Download our free, easy-to-use speed test app for quick and reliable results.

  4. Finding optimal server... Connections. Multi Single. Use Speedtest ® on all your devices with our free native apps. Download Speedtest apps for: Android. iOS. Windows. Mac.

  5. Learn about how internet speed is measured and what factors affect your speed. Use our Internet Speed Test Tool to find your download & upload speeds.

  6. Use the BroadbandNow speed test tool to check your speed and see how it compares to other existing Xfinity customers.

  7. The speed to your device isn't the same as the speed delivered by your Gateway or router. Speed isn't the problem? We've got tips to help you resolve other issues.