When it comes to internet speed, you want to see the lowest latency possible. That’s because latency is a measurement of the amount of time it takes from data to travel from your device to its destination and back again. Measured in milliseconds (ms), an ideal latency rate is between 50-100 milliseconds. 

This is different from bandwidth, which measures how much data your connection can carry. You could have a high-bandwidth connection and still experience noticeable data delays if you have a high latency rate. 

Latency is affected by things like physical distance, the quality of your router, the number of hops between you and your data’s destination, and network congestion. VPNs may also increase latency, as the traffic is rerouted through an additional server.