curltime

cURL formatted output

cURL supports formatted output for the details of the request ( see the cURL manpage for details, under “-w, –write-out <format>” ).

My own custom format file (curl-format.txt) is provided for reference.

Next step is to create an Alias as follow: alias curltime="curl -w "@curl-format.txt" -o /dev/null -s"

curltime https://pbs.twimg.com/profile_images/798943583784968192/zTRX1owc_400x400.jpg

-w "@curl-format.txt" tells cURL to use our format file -o /dev/null redirects the output of the request to /dev/null -s tells cURL not to show a progress meter http://github.com/ is the URL we are requesting

Here is the output:

============= HOST: ==========

      server_ip:  117.18.237.70
    server_port:  443

======= CONNECTION: ==========

      http_code:  200
   http_connect:  000
   num_connects:  1
  num_redirects:  0
   redirect_url:

============= FILE: ==========

   content_type:  image/jpeg

filename_effective: /dev/null ftp_entry_path: size_download: 18023 size_header: 574 size_request: 131 size_upload: 0 speed_download: 29278.000 speed_upload: 0.000 ssl_verify_result: 0 url_effective: https://pbs.twimg.com/profile_images/798943583784968192/zTRX1owc_400x400.jpg

=== TIME BREAKDOWN: ==========

time_appconnect:  0.601
time_TCPconnect:  0.522
 time_DNSlookup:  0.518

time_pretransfer: 0.601 time_starttransfer: 0.613 time_redirect: 0.000 time_TTFB: 0.613 ---------- time_total: 0.616

Credit/Inspiration: http://blog.kenweiner.com/2014/11/http-request-timings-with-curl.html