互聯網速度測試：測試您的寬帶連接 (speed test)

Now, the most accurate and convenient way to test your speed lives on your Windows desktop. - Get your ping, download, and upload speeds within seconds - Troubleshoot or verify the speed you were promised - Track prior tests with detailed reporting - Easi

下載速度對網路內容消費者最為重要，因此我們的目標是讓 FAST.com 提供非常簡單快速的速度測試。 偵測、延遲、上傳等其他功能又是如何？ 按下 [顯示更多資訊] 按鈕，就能查看您的上傳速度和連線延遲（偵測）。 FAST.com 為您的網路連線提供兩種不同的延遲度量單位：「已卸載」及「已載入」的流量。 這兩種度量單位的差異也稱作「緩衝區膨脹」。

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Test your internet connection speed in seconds to locations all around the world with this broadband speed test to see how fast your home or mobile internet connection really is across every device.

我們推薦 NetSpot 作為一個全面且易於使用的 Wi-Fi 速度測試解決方案，具有先進的 Wi-Fi 分析功能，您可以使用它來顯著提升您的 Wi-Fi 網路性能。

To optimize the measurement, please stop all active current downloads on your computer, as well as on other devices (computers, tablets, smartphones, game consoles) connected to your internet connection.

Use Speedtest on all your devices with our free desktop and mobile apps.