Test your connection fast with Xfinity’s internet speed test tool and get tips on how to improve your internet performance.

Use Speedtest on all your devices with our free desktop and mobile apps.

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.

Our speed test starts by measuring your connection’s latency. To do this, it sends a small amount of data from your device to the nearest test server and measures how long it takes to receive a …

Xfinity speed test tool checks your Xfinity broadband speed. Measure accurate uploading & downloading speeds with the Xfinity internet speed test.

Wondering if you’re really getting the Xfinity internet speeds you’re paying for? Use our Xfinity speed test to measure your download speed, upload speed, and ping (latency) in real time.

There are quite a few reputable online speed tests available, so today we will examine the Comcast speed test also known as the Xfinity speed test to determine whether it’s a reliable …

Learn how to perform a whole home network test to check for service outages, measure the speed to the gateway, and check the connection strength to all devices using the Xfinity app.

Test your internet speed and performance with Speedtest by Ookla, available on desktop and mobile devices for free.