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.

speedtest.comcast.net: Xfinity Speed Test Check if speedtest.comcast.net is down or having other problems. What to do if speedtest.comcast.net is down? Xfinity Speed Test Operating in 40 states and servicing over 40% of the US, Comcast (Xfinity) is the United States largest cable operator. With over 25 million internet customers as of April 2017. Using DOCSIS 3.0 Comcast customers in many areas see download speeds up to 105 Mbps and upload speeds up to 20 Mbps. Available in limited areas other Comcast customers Xfinity Speed Test Review Cons. The main disadvantage to Xfinity’s speed test is the fact that it does not run on a secure connection. Some more minor complaints include the inability to save your test history, as well as the rather limited information regarding the IP address used for testing. Comcast Business - Home

Comcast Business provides big business capabilities and innovation at affordable prices for small businesses. Explore Internet, Phone, and TV options today!

Actual bandwidth needs may be higher depending upon number of users and whether you are using shared or dedicated Internet access. For businesses interested in VoIP or to use bandwidth for critical applications, we recommend you check internet speed and assess the overall quality of your bandwidth connection using Speed Test Plus.

Oct 09, 2019 · Did you know that, with the same amount of WiFi, newer devices are capable of much more speed than older devices? Learn how to test your device's Internet speed here, with Xfinity's new device speed test tool.

Operating in 40 states and servicing over 40% of the US, Comcast (Xfinity) is the United States largest cable operator. With over 25 million internet customers as of April 2017. Using DOCSIS 3.0 Comcast customers in many areas see download speeds up to 105 Mbps and upload speeds up to 20 Mbps. Available in limited areas other Comcast customers Xfinity Speed Test Review Cons. The main disadvantage to Xfinity’s speed test is the fact that it does not run on a secure connection. Some more minor complaints include the inability to save your test history, as well as the rather limited information regarding the IP address used for testing. Comcast Business - Home