determines whether your computer can communicate with another
computer over the network. Then, if network communication is
ping tests also determine the connection latency
(technical term for delay) between the two computers.
*** Ping test works
by sending ICMP "echo request" packets to the target host
and listening for replies. Ping measures the round-trip
time and records any packet loss, and show when finished a
statistical summary of the echo response packets received, the
minimum, mean, max and in some versions the standard deviation
of the round trip time.
*** You can use
ping test to troubleshoot connectivity problems with your home
Ping tests are also commonly used to measure the delay
("lag") with online gaming services or other Internet servers.