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.

Speed test for comcast is powered by ookla speed test service. Comcast is one of the biggest ISP of the United States of America and it was established in 1960's. Please Select Last 50 results Last 100 results Last 250 results Last 500 results Last 1000 results 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. Note: This website is not in any way affiliated with Xfinity, Comcast Cable Communications, LLC, or Comcast Corporation and is a third party tool built specifically to test Internet speed of Xfinity Internet users. Internet came into existence in 1982, and it continued to evolve since then. If you are having Xfinity Internet connection problems, troubleshoot your connection with these step-by-step solutions. Xfinity For full functionality of this site it is necessary to enable JavaScript. Download speed is most relevant for people who are consuming content on the Internet, and we want FAST.com to be a very simple and fast speed test. What about ping, latency, upload and other things? When you click the “Show more info” button, you can see your upload speed and connection latency (ping). Check the speed of your device's connection to the Internet and explore steps you can take to improve performance. For the speed test to provide the most accurate results, use a computer with a wired (Ethernet) connection, turn off wifi, and close all other programs on your computer.

Download speed is most relevant for people who are consuming content on the Internet, and we want FAST.com to be a very simple and fast speed test. What about ping, latency, upload and other things? When you click the “Show more info” button, you can see your upload speed and connection latency (ping).

If you were interested to check Xfinity internet speed but don’t quite know-how, then not to worry – we got you covered.. Using the Official Xfinity Speed Test. Most people don’t know, but Comcast actually lets you test your internet speed on their official Xfinity website. Check your internet connection speed with the free network speed test from Verizon. Don't take your internet service provider's word for it concerning your upload and download speeds. Find out how fast your internet is, and see how it compares to Fios and DSL connections.

Note: This website is not in any way affiliated with Xfinity, Comcast Cable Communications, LLC, or Comcast Corporation and is a third party tool built specifically to test Internet speed of Xfinity Internet users. Internet came into existence in 1982, and it continued to evolve since then.

So analyze your maximum household usage, check the modem's specs before you buy to make sure it can handle your needs as well as the speed tier you subscribe to from your ISP. Lastly, make sure your Internet connection and modem are funneling all this data to your household full of connected devices through a current-generation 802.11ac Wi-Fi