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

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 …

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.

Xfinity Internet Speed Test checks how fast is your internet speed. Simply press 'GO' and Speed.is will test download, upload, ping, and jitter speed.

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.

Xfinity connection speed test, average speed, max speed & test results. Test My Internet and compare.

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Check speed limitations on different devices. Tips and Tools for understanding your speed test results related to your device and plan, and how to improve your speed and resolve wifi issues.

Use our speed test to assess the quality of your broadband connection whether you use Xfinity or another provider. The dials above will return results on download speed and upload throughput.