Laden Sie den Geschwindigkeitstest herunter
Messen Sie den Download-Durchsatz, indem Sie eine Testnutzlast von dieser Website streamen und die Live-Rate und den Fortschritt beobachten.
Testschnittstelle
Möglicherweise fragt Ihr Browser nach Ihrer Erlaubnis, nachdem Sie auf „Start“ geklickt haben.So verwenden Sie dieses Tool
- Choose a payload size that matches your connection and data allowance.
- Click Start download test and leave the tab in the foreground.
- Watch the live Mbps value and progress bar as data arrives.
- Read the final average and repeat the test to check consistency.
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Technische Erklärung
The browser fetches a generated binary stream from the same-origin test endpoint and counts bytes as they arrive. Throughput is calculated from the transferred bits divided by the measured transfer time, excluding the initial connection setup where possible.
This measures the path between your browser and this server, not your full broadband capacity. Server bandwidth, CDN caching, Wi-Fi, TCP ramp-up, and other traffic all affect the result. It is an estimate, not a line-certification test.
Fehlerbehebung
The test fails immediately
Reload the page and check your connection. Some networks block large downloads or require a proxy.
Speed is much lower than my plan
The server or route may be the bottleneck. Close other transfers and try a wired connection.
Speed starts low then rises
TCP slow start and connection setup commonly reduce the first second. The final average is more representative.
The test uses too much data
Choose a smaller payload. On metered connections, avoid repeated large runs.
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