Dec 04, 2013 · The Xfinity speed test tool measures your Xfinity internet speed by calculating the time taken for each byte to travel from the remote Xfinity server to your web-enabled device. Do note that these speed test results are oftentimes lower than your plan speed due to a number of variable factors outside of your ISP’s control.
Sep 16, 2019 · Using the Xfinity speed test. Click the “Start Testing Speed” button to begin our Xfinity speed test. For the most accurate results, conduct the test using an Ethernet, or LAN, connection and disconnect any other devices from the LAN or Wi-Fi network. 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. An embedded experience specifically designed to be fast, clear and easy to use, Speedtest is available for Mac and Windows. Before taking a speed test, please check if your internet connection is not being used by someone else in your local network, or close any programs which may be using your internet connection bandwidth, because if your internet is being used by other programs then the speed test will not give desired results and will show slow connection speed
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High Speed Internet Service from Xfinity by Comcast Get fast internet speeds with Xfinity internet service. Xfinity Internet delivers the most reliable high-speed internet and WiFi for all devices, all the time. AT&T High Speed Internet Speed Test This speed test checks the speed between your smartphone, tablet, computer, or other device and the internet. You can run the test through a cellular (mobile) network, a wired broadband connection, or your home Wi-Fi. A gateway speed test checks the speed between your AT&T Wi-Fi gateway and our network. Sign in to Xfinity