Scarica Test di velocità
Misura la velocità di download trasmettendo in streaming un payload di prova da questo sito Web e osserva la velocità e i progressi in tempo reale.
Testare l'interfaccia
Il tuo browser potrebbe richiedere l'autorizzazione dopo aver premuto Start.Come utilizzare questo strumento
- 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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Spiegazione tecnica
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.
Risoluzione dei problemi
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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