Under 20ms is excellent; 20–50ms is good; over 100ms leads to noticeable lag. The Conflict: Downloading vs. Pinging How can I reduce download latency? : r/HomeNetworking
At its core, a is a diagnostic signal sent from your device to a server to check for reachability and speed. It measures latency , the round-trip time (RTT) it takes for a small packet of data to travel to a destination and back. Measured in: Milliseconds (ms). download pinging