curl -s -w @stats.curl -o /dev/null https://www.google.fr 

Avec le fichier stats.curl contenant :

url_effective	  :	 %{url_effective}\n
content_type	  :	 %{content_type}\n
filename_effective:	 %{filename_effective}\n
ftp_entry_path	  :	 %{ftp_entry_path}\n
http_code	  :	 %{http_code}\n
http_connect	  :	 %{http_connect}\n
http_version	  :	 %{http_version}\n
local_ip	  :	 %{local_ip}\n
local_port	  :	 %{local_port}\n
remote_ip	  :	 %{remote_ip}\n
remote_port	  :	 %{remote_port}\n
scheme		  :	 %{scheme}\n
num_connects	  :	 %{num_connects}\n
num_redirects	  :	 %{num_redirects}\n
redirect_url	  :	 %{redirect_url}\n
size_download	  :	 %{size_download}\n
size_header	  :	 %{size_header}\n
size_request	  :	 %{size_request}\n
size_upload	  :	 %{size_upload}\n
ssl_verify_result :	 %{ssl_verify_result}\n
time_namelookup	  :	 %{time_namelookup}\n
time_connect	  :	 %{time_connect}\n
time_appconnect	  :	 %{time_appconnect}\n
time_pretransfer  :	 %{time_pretransfer}\n
time_redirect	  :	 %{time_redirect}\n
time_starttransfer:	 %{time_starttransfer}\n
time_total	  :	 %{time_total}\n
speed_download	  :	 %{speed_download}\n
speed_upload	  :	 %{speed_upload}\n

Sortie :

url_effective	  :	 https://www.google.fr/
content_type	  :	 text/html; charset=ISO-8859-1
filename_effective:	 /dev/null
ftp_entry_path	  :	 
http_code	  :	 200
http_connect	  :	 000
http_version	  :	 2
local_ip	  :	 192.168.0.11
local_port	  :	 55914
remote_ip	  :	 216.58.198.195
remote_port	  :	 443
scheme		  :	 HTTPS
num_connects	  :	 1
num_redirects	  :	 0
redirect_url	  :	 
size_download	  :	 10872
size_header	  :	 657
size_request	  :	 77
size_upload	  :	 0
ssl_verify_result :	 0
time_namelookup	  :	 0,013082
time_connect	  :	 0,021836
time_appconnect	  :	 0,064367
time_pretransfer  :	 0,064677
time_redirect	  :	 0,000000
time_starttransfer:	 0,116259
time_total	  :	 0,118019
speed_download	  :	 92120,000
speed_upload	  :	 0,000