If you want to test network speed on Mac，To ensure the performance of your network connection or to diagnose network problems，The following methods can be used： Use the built-in Network Utilities 1. 打开“网络实用工具” •点击桌面左上角的苹果图标，Select "System Preferences"。 •In System Preferences，Select "Network"。 •In the Network window，Click the "Advanced" button in the lower left corner，Then select the Network Utilities tab。 2.测试网速 •在“网络实用工具”窗口中，Select the "Information" tab。 •View network connection details，including signal strength、Connection speed etc.。 Use an online internet speed test tool 1. Visit Internet Speed ​​Test...