Using the Comcast Speed Test tool is very easy: Visit the XFINITY Speed Test website. Click or tap the Start Test button or choose the Advanced Settings link at the top of that page to change the location of the test server. Wait while the three parts of the test complete.Which is the most reliable internet speed test?
Based on extensive measurements, OOKLA (once configured correctly, as will be explained) provides consistent and relatively accurate results. OOKLA claims to be “the world’s most popular Internet speed test” with over 5 million tests per day.