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 ...

Gigabit internet (1 GB) has extremely fast download speeds of 1,000 Mbps. Although having the fastest internet possible might sound like a good idea, you don't want to overpay for speeds you don't ...