Open the "Windows Task Manager", in the top options bar, select the "Networking" tab.
In the menu bar, select "View" -> "Network Adapter History" -> check "Red, Yellow, Green"
Red: Number of bytes sent
Yellow: Number of bytes received
Green: Total number of bytes
normal network status
abnormal network status
Tip: If the website does not open normally, please check the "Internet" to analyze the cause, and then troubleshoot the cause.