TTFB – Bash script that returns interesting information about a HTTP/S call

ttfb.sh

#!/bin/bash

# Returns interesting information about a HTTP/S call
# http://chrisiona.com/post/125309997618/ttfb-a-bash-script-that-returns-interesting

curl -so /dev/null \
  -w "Response Code: \t\t%{http_code} \
      \nName Resolution: \t%{time_namelookup} sec\
      \nConnect Time: \t\t%{time_connect} sec\
      \nPre Transfer: \t\t%{time_pretransfer} sec\
      \nStart Transfer: \t%{time_starttransfer} sec\
      \nTotal: \t\t\t%{time_total} sec\
      \nSpeed Download: \t%{speed_download} bytes/sec \
      \nSize: \t\t\t%{size_download} bytes \
      \n\n" \
  $1

[chris@iones ~]# ./ttfb.sh www.homeimprovementpages.com.au
Response Code:      200       
Name Resolution:    0.004 sec      
Connect Time:       0.006 sec      
Pre Transfer:       0.006 sec      
Start Transfer:     0.172 sec      
Total:              0.196 sec      
Speed Download:     1719973.000 bytes/sec       
Size:               337844 bytes