After a decade testing PCs, routers, and networks, I know what really slows things down - and how to optimize your connection.

Many people turn to VPNs — virtual private networks — for added privacy and security online, only to find that their internet speeds suddenly slow to a crawl. But what exactly does a VPN do, and why ...

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 ...

Cierra was an associate writer for CNET's broadband team, covering all things home internet. She is a graduate of the University of North Carolina at Wilmington with a master's degree. Cierra is ...