Speedme — Internet Speed Test

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About this network stability test

This free network stability test continuously monitors your internet connection over time instead of taking a single snapshot. It repeatedly measures latency (ping), jitter, and packet loss so you can see whether your connection stays steady or suffers from dropouts and lag spikes. A steady, low line means a healthy and reliable connection, while tall bars, gaps, or repeated spikes reveal an unstable network. Run it on both Wi-Fi and a wired connection to find out whether the instability comes from your local network or your internet provider.

Frequently asked questions

What is a network stability test?
A network stability test continuously measures your internet connection over time instead of taking a single snapshot. By sending repeated timing packets, it tracks latency (ping), jitter, and packet loss so you can see whether your connection stays steady or suffers from dropouts and lag spikes. It is the best way to catch intermittent problems that a one-off speed test misses.
How do I know if my connection is unstable?
Signs of an unstable connection include sudden latency spikes, high jitter, packet loss, and short dropouts where requests time out. On this stability test, a steady low line means a healthy connection, while tall bars, gaps, or frequent red points indicate instability that can disrupt video calls, gaming, and streaming.
What causes an unstable or unreliable internet connection?
Common causes include Wi-Fi interference and distance from the router, an overloaded network with many devices, faulty cables or hardware, ISP congestion during peak hours, and background apps consuming bandwidth. Running this test on both Wi-Fi and a wired connection helps you pinpoint whether the problem is your local network or your provider.
What is a good ping and jitter for a stable connection?
For a stable connection, aim for ping under 50 ms and jitter under 10 ms, with no packet loss. Online gaming and video calls are the most sensitive to jitter and packet loss, so consistency matters more than raw speed. Occasional small spikes are normal, but frequent or large spikes point to an unstable network.
How long should I run a stability test?
Run the test for at least a few minutes to capture short-term jitter and dropouts. If you only have problems at certain times, leave it running for 15 to 30 minutes or longer to catch intermittent issues. The longer you monitor, the more likely you are to reveal instability that comes and goes.