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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.
- My Xfinity
You can now check your Comcast email by selecting your...
- Tips to Improve Coverage
Your Wifi expands out from your Gateway in all directions so...
- Compare Device Speeds
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- Device Speed vs Plan Speed
This test is measuring the amount of speed available to a...
- Sign In
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...
- Tips and Tools
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- Internet Help and Support
Discover how to optimize your Internet speed and...
- My Xfinity
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.
Use Speedtest on all your devices with our free desktop and mobile apps.
Test your Xfinity internet speeds with one click. Connecting to a server. Download Speed. Upload Speed. Show more test details +. Frequently Asked Questions. How do my speeds compare to others? +. How much internet speed do I need? +. What is the fastest type of internet? +. Why is my internet so slow? +. How can I improve my internet speed? +.
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.
Get the most out of Xfinity from Comcast by signing in to your account. Enjoy and manage TV, high-speed Internet, phone, and home security services that work seamlessly together — anytime, anywhere, on any device.
Experience ultra-low lag with gig-speed WiFi Based on median latency of 13 milliseconds or below for Xfinity gigabit Internet customers with xFi Gateway as measured by Xfinity Speed Test. Shop internet plans