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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.
- My Xfinity
The Xfinity Discovery Hub is your resource for Xfinity...
- Compare Device Speeds
Year Released Expected WiFi Speed* 2011-present: 150-500...
- Tips to Improve Coverage
Try Our Internet Troubleshooting Tool If you’ve tried all of...
- Device Speed vs Plan Speed
This test is measuring the amount of speed available to a...
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Get the most out of Xfinity from Comcast by signing in to...
- Billing
Get the most out of Xfinity from Comcast by signing in to...
- Xfinity Internet
Discover how to optimize your Internet speed and...
- My Xfinity
Use Speedtest on all your devices with our free desktop and mobile apps.
Test your Wi-Fi speed to see if you’re getting adequate speeds to cover all your needs for streaming TV, movies, and music.
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.
Speed Test ® - zmierz prędkość i jakość łącza internetowego używając najpopularniejszego i najbardziej wiarygodnego testu w Polsce. Sprawdź w rankingach, który dostawca oferuje najszybszy Internet stacjonarny i mobilny.
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.
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.