http-latency.sh

#!/bin/bash

curl $1 -o /dev/null -w \
"\
connect to %{url_effective}
DNS lookup end:         @%{time_namelookup}sec\n\
connection established: @%{time_connect}sec\n\
request sent:           @%{time_pretransfer}sec\n\
response receive start: @%{time_starttransfer}sec\n\
===================================================
complete:               %{time_total}sec\n\
" \
2> /dev/null