You’ve probably been there. You run a speed test, and the results look perfect: 300 Mbps download, 20 Mbps upload, 9ms ping.
| Metric | Definition | Feels Like | | :--- | :--- | :--- | | | The total delay (round-trip time). | High ping feels like you’re talking under water—slow, but smooth. | | Jitter | The change in delay over time. | High jitter feels choppy, stuttering, or robotic. | | Packet Loss | Data that never arrives at all. | Gaps in conversation, frozen video, game “rubber-banding.” | what is jitters in speed test
Because the packets arrive at irregular, unpredictable intervals, your device has to scramble to reassemble them. When it can’t keep up, you get glitches, echoes, and lag. To fully understand jitter, you need to see how it fits with the other "big three" metrics: You’ve probably been there