Jitter is technically defined as .
When you use the internet, data is broken into small "packets". These packets should ideally arrive at your device at perfectly regular intervals (e.g., every 10 milliseconds). Jitter occurs when these arrival times fluctuate—some packets might take 10ms, while others get stuck in congestion and arrive after 50ms.
Download jitter is a critical network metric that measures the of your internet connection . While download speed tells you how much data can move at once, download jitter reveals if that data is arriving in a steady stream or a series of erratic bursts.
Packets arrive at irregular times, leading to stuttering, "teleporting" in games, or garbled voices on calls. Accepted Jitter Values: What is "Good"? What Is Network Jitter and How It Affects Your Connection
For activities like scrolling through social media, jitter is barely noticeable. However, for real-time applications like , video calls , and live streaming , high download jitter is often the "silent killer" of performance. What Exactly is Download Jitter?
Packets arrive predictably, resulting in smooth audio and video.