The test itself is run via the Speedtest service from Ookla, with which Microsoft collaborates. In practice, the feature therefore functions as a shortcut to a web-based speed test, not a local tool ...

Are you getting the internet speed you’re paying for? Should you blame a slow connection on your Wi-Fi router or internet provider? Can your internet handle things like online gaming or livestreaming?

Don't settle for sluggish Wi-Fi. Learn what internet speed tests mean and how to troubleshoot and fix common issues. Joe Supan is a senior writer for CNET covering home technology, broadband, and ...

CNET dug into the latest speed test data to see how the country’s largest cable internet provider fared in national speed test data.