PING hongzhang.me (185.199.109.153) 56(84) bytes of data.
64 bytes from cdn-185-199-109-153.github.com (185.199.109.153): icmp_seq=1 ttl=61
time=6.07 ms
64 bytes from cdn-185-199-109-153.github.com (185.199.109.153): icmp_seq=2 ttl=61
time=3.69 ms
64 bytes from cdn-185-199-109-153.github.com (185.199.109.153): icmp_seq=3 ttl=61
time=4.04 ms

--- hongzhang.me ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2003ms
rtt min/avg/max/mdev = 3.697/4.604/6.073/1.050 ms