Internet diagnostic tool

Latency test

Latency is the delay before data starts moving between your device and the internet. Low latency makes games, calls, VPNs, and remote desktops feel responsive.

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Test if your internet is actually good enough

Run a quick browser-based diagnostic for calls, gaming, streaming, VPN, and remote work. Verdicts appear before raw technical numbers.

Measured from your browser to the nearest Cloudflare server with Cloudflare’s open-source speed test engine, so results reflect your connection to Cloudflare, not every site you use. Uses roughly 20–190 MB of data, more on faster connections, so use Wi-Fi if you are on a metered plan. Results are not sent back to Cloudflare. How we measure

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Latency test: what the results mean

Latency is the delay before data starts moving between your device and the internet. Low latency makes games, calls, VPNs, and remote desktops feel responsive.

Latency targets

Gaming: ideally below 40ms.
Video calls: ideally below 50–60ms.
VPN/remote desktop: lower feels more responsive.
Streaming: latency matters less than download speed.

Lower latency

Use Ethernet.
Pick closer servers.
Avoid overloaded VPN routes.
Pause downloads/uploads that cause queueing.

Frequently asked questions

What is good latency?

Below 40–50ms is good for many real-time apps. Gaming benefits from even lower latency.

Why is latency high?

Distance to servers, WiFi interference, VPN routing, ISP congestion, and router bufferbloat can raise latency.

Is latency more important than speed?

For gaming, calls, VPNs, and remote work, latency can matter more than raw download speed.

Recommended next steps

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Disclosure: NetCheckPro may earn a commission from partner links. Recommendations should be chosen based on your own needs and test results.

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