One of the disconcerting things about using a virtual private network (VPN) is that it can be hard to tell when it's doing ...

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 ...

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 ...