After a decade of testing PCs, routers, and home networks, I know what causes slow speeds and how to optimize your internet.

iperf3 is a network throughput tool used to measure the performance of the network your Mac is using. Here's how to use it in the macOS Terminal app. iperf is a UNIX memory, network throughput, and ...

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?

Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. Learning how to check your internet speed can come in handy if you ...