The command ping 8.8.8.8 is one of the most widely used diagnostic tools in the world of networking. Whether you are a system administrator or just someone trying to figure out why your Wi-Fi isn't working, this simple string of characters is your first line of defense. What is 8.8.8.8?
To monitor a shaky connection over a long period, use ping 8.8.8.8 -t on Windows. This keeps the test running until you manually stop it with Ctrl + C . ping 8.8.8.8
It took 15 milliseconds for the message to return. Lower is better. The command ping 8
When you run the command, you will see a series of replies like this: Reply from 8.8.8.8: bytes=32 time=15ms TTL=118 To monitor a shaky connection over a long period, use ping 8
Press , type cmd , and hit Enter to open the Command Prompt . Type ping 8.8.8.8 and press Enter . By default, Windows will send four packets and then stop. macOS and Linux Open the Terminal application. Type ping 8.8.8.8 and press Enter .
The server didn't respond. This indicates a break in the connection or a firewall blocking the signal.
The "time" result (measured in milliseconds) tells you how fast data travels to the server and back. Low RTT (Round Trip Time) under 50ms is excellent, while over 200ms may indicate lag.