Guide
What Is Packet Loss?
Packet loss happens when some data packets fail to reach their destination. Real-time apps often reveal it before ordinary websites do.
Run the packet loss testHow packet loss feels
In games it can look like rubber-banding. In voice calls it can sound like clipped audio. In video calls it can show up as frozen frames or sudden quality drops.
Why speed tests can miss it
A bandwidth test measures throughput. A real-time quality test needs to look at loss, latency, and jitter together.