Network Speed Estimator

Estimates your download speed by timing how long it takes to fetch data blobs. Runs 3 rounds and averages the results.

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Press Start to begin

Test 1 (200 KB)

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Test 2 (500 KB)

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Test 3 (1 MB)

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Uses in-memory blobs — no real internet download.

Note: This tool measures in-browser memory transfer speed, not true WAN bandwidth. It's a relative indicator — useful for comparing sessions. True speed tests require external servers (e.g. fast.com).