How does Unicom measure the network speed?

Unicom users please self-help speed measurement in the following ways:

1. You can log in to the online business hall of China Unicom, click "My Unicom"-"Convenience Service"-"Broadband Speed Measurement" on the homepage, and measure the speed according to the prompt information on the page;

2. You can also use the broadband number to log in to Unicom's mobile phone client-query-broadband service query-instant test ("broadband speed measurement" service does not support streaming-free).

Tips: The above paths are subject to the actual displayed information.