CloudMPH Free network tools
Measure / Speed test

Internet speed test

Download, upload, latency, jitter and bufferbloat — one server in Oregon, across the real internet.

Download
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Mbps
Upload
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Mbps
Latency
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ms
Press start. The test takes about 30 seconds and uses real data — a fast connection can move a few hundred megabytes.
Detailslatency under load is the number that predicts stutter
Jitter
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Latency while downloading
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Latency while uploading
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Bufferbloat
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Peak download
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Peak upload
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Data used
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Test server
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WhenServerDownloadUploadLatencyJitterBufferbloat

What this measures. Download and upload are how fast data moves between your device and the CloudMPH server. Latency is the round-trip time of a tiny request; jitter is how much that time wobbles. "Latency while downloading/uploading" is the same measurement taken while the transfer is running, and the bufferbloat grade is the difference: on a healthy connection it barely rises, on a badly buffered one it balloons and video calls stutter whenever someone else in the house is downloading.

How it works. Latency is the median of 15 small round trips; jitter is how much consecutive round trips vary. Download and upload each open several parallel connections and move random, incompressible data for about 12 seconds; the reported speed is a trimmed average after a warm-up period, so a brief burst or a slow start doesn't skew the number. While data is moving, the test keeps pinging — if that latency climbs far above idle, your router is buffering too much (bufferbloat), which is what makes video calls stutter when someone else is downloading.

Speeds are measured to this server, so they reflect your connection and the path to it. A number lower than your plan's advertised speed on a wired connection usually means the ISP or Wi‑Fi is the bottleneck; if you're on Wi‑Fi, try a cable before calling anyone.

How this differs from Ookla's Speedtest and similar sites

One server, across the real internet. Speedtest.net picks the closest of thousands of servers, many of them hosted inside your ISP's own network, so its number is closer to "the best your line can do to a next-door server." CloudMPH tests to a single server in Oregon over the public internet, which is closer to what you actually get from a website, a game server or a video call. Expect CloudMPH to read a little lower than Ookla for the same connection; both are "true," they just answer different questions.

Nothing to prioritize. Because it runs against well-known test servers, speed-test traffic is easy for a network to recognize, and there have been documented cases of it being treated better than ordinary traffic. CloudMPH's transfers are ordinary HTTPS to an ordinary cloud host, indistinguishable from any other download, so there is nothing to special-case.

Steady, not peak. Commercial tests tend to emphasize the fastest part of the transfer. CloudMPH drops the warm-up period and reports a trimmed average of the rest, and shows the peak separately, so the headline number is what a sustained download would achieve.

Latency under load. Most speed tests report ping only when the line is idle. CloudMPH keeps pinging while data is moving and grades the difference, which is the single best predictor of whether calls and games stay smooth on a busy household connection.

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Want the Ookla-style number here? Switch the Server menu above to "Nearest edge" — the test then runs against Cloudflare's closest data center (usually in your metro area), which is the same kind of nearby server Ookla uses. Running both back to back is instructive: the edge number is your line's ceiling, the Oregon number is what the wider internet delivers, and the gap between them is the path.

What Ookla does better. Servers near almost everyone on Earth, so its latency numbers are lower and its results are comparable across the world; native apps; a huge dataset for comparing ISPs. If you want the ceiling of your line, use Ookla. If you want to know why the internet feels slow, use this.