curl --connect-timeout 10 -o /dev/null -ILsw "%{http_code}|namelookup:%{time_namelookup}|connect:%{time_connect}|appconnect:%{time_appconnect}|redirect:%{time_redirect}|total:%{time_total}\n" \
http://www.gstatic.com/generate_204

curl http://100.100.100.200/latest/meta-data/instance/instance-type
curl http://100.100.100.200/latest/meta-data/zone-id

CPU speed:
    events per second:  1652.12

General statistics:
    total time:                          10.0002s
    total number of events:              16523

Latency (ms):
         min:                                    0.59
         avg:                                    0.61
         max:                                    0.67
         95th percentile:                        0.62
         sum:                                 9997.61

Threads fairness:
    events (avg/stddev):           16523.0000/0.00
    execution time (avg/stddev):   9.9976/0.00