PING jionghua-weng.github.io (185.199.111.153) 56(84) bytes of data.
64 bytes from cdn-185-199-111-153.github.com (185.199.111.153): icmp_seq=1 ttl=61
time=4.14 ms
64 bytes from cdn-185-199-111-153.github.com (185.199.111.153): icmp_seq=2 ttl=61
time=4.19 ms
64 bytes from cdn-185-199-111-153.github.com (185.199.111.153): icmp_seq=3 ttl=61
time=4.14 ms

--- jionghua-weng.github.io ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2001ms
rtt min/avg/max/mdev = 4.142/4.161/4.196/0.058 ms