Connection Speed and Bufferbloat Test

Unloaded, Download/Upload/Mixed Active, packet loss, stability, consistency, verdict, history.
Press "Start test".
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Bufferbloat grade

Pending

Not measured yet

Not measured yet

Max Delta

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Latency (Mixed Active)

Latency (Unloaded)

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Test mode

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Run-to-run consistency

Debug (last run)
Useful for diagnosing freezes/timeouts.
Download timeouts
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Upload timeouts
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Mixed timeouts
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Ping failures
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Effective seconds
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Measured bytes
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Latency
Latency (Unloaded)
Pending
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Latency (Download Active)
Pending
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Latency (Upload Active)
Pending
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Latency (Mixed Active)
Pending
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Throughput
Download speed
Pending
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Upload speed
Pending
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Mixed Down / Up
Pending
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Reliability
Packet loss / Timeout
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Server processing (ping API)
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Stability score
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Run-to-run consistency
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Assessment
Connection verdict
Not measured yet
Automatic conclusion
Not measured yet
Latency Percentiles
Metric Min Median 95th %ile 99th %ile Max Jitter Loss % Timeout %
No data yet

IP/ASN snapshot

Your IP: -
ASN: - | Network: -
Country/City: -

History and comparisons

History is shown only for your current client IP.
Tests count
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Avg. Download
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Avg. Upload
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Avg. Max Delta
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Date Grade Down Up Mode Unloaded Max Delta Loss % Verdict
No records yet

What is Bufferbloat and why does it matter?

Why does my internet lag even when speed is high?

How to reduce lag and improve connection quality?

Is the router the problem?