When you're on a Comcast connection and test to a Comcast speed test server (or a speedtest.net server hosted on Comcast), you are staying within the Comcast network backbone and not crossing onto the internet. This keeps the speed test close to your local CMTS, so that we can have an end-to-end picture inside the network of where slowdowns may
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.
Test your Internet upload and download speeds to see how Comcast Business Internet compares to the competition. Get a free quote today for speeds up to 1 Gig. Comcast Speed Test Service Provides Free comcast Internet Speed Test. Do a quick speed test and see what is your actual internet speed
Test your Internet connection bandwidth to locations around the world with this interactive broadband speed test from Ookla
This speed test tool is not affiliated with and does not belong to Xfinity Internet or Comcast, and is provided by a third-party company named "Ookla." Please Select Last 50 results Last 100 results Last 250 results Last 500 results Last 1000 results What is download speed? Download speed is the rate at which you download a file from internet. What is upload speed? Upload speed is the rate at which one can upload a file/pic/video on integer. What is ping test? What is throughput? Throughput is the amount of data that can be transferred over your Internet connection at one point in time. The only major shortcoming of the Xfinity speed test is the fact that it does not operate on a secured connection, which is a bit of a head-scratcher these days. Still, due to their many pros and relatively few cons, Xfinity’s speed test is still an easy recommendation to make. Speed variations are due to a variety of factors, including network traffic, the number of people conducting the test simultaneously, or any number of hardware and/or software capabilities or limitations of the computer, modem, or router. TestMy.net isn't the average download speed test. TestMy.net gets smarter the more you use it and makes adjustments specific to your computer for a high level of accuracy. This speed test will download randomly generated data to your browser, calculate your download speed and log your speed test results.