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All your data — including speed test history, theme preference, and language setting — is stored exclusively in your browser's local storage. This data never leaves your device. We do not have access to your test history, and clearing it here permanently deletes it from your device.

SpeedTester.pk uses the LibreSpeed open-source measurement engine, which is recognized by the network engineering community for its accuracy. It uses multiple parallel connections and a multi-phase test methodology (Ping → Download → Upload) to provide comprehensive and realistic measurements of your internet connection quality.