time for i in {1..10}; do curl -sI -XGET https://walacea.com --resolve 'walacea.com:80:31.222.175.183' | grep 'HTTP/1.1'; done Example output HTTP/1.1 200 OK HTTP/1.1 200 OK HTTP/1.1 200 OK HTTP/1.1 200 OK HTTP/1.1 200 OK HTTP/1.1 200 OK HTTP/1.1 200 OK HTTP/1.1 200 OK HTTP/1.1 200 OK HTTP/1.1 200 OK real 0m0.451s user 0m0.090s sys 0m0.052s __**Investigating timeouts**__ \\ Use the following command, run it from servers in different regions time curl -sILk -X GET https://lukeslinux.co.uk Output: HTTP/1.1 200 OK Server: nginx/1.6.2 Date: Tue, 14 Jul 2015 11:17:03 GMT Content-Type: text/html; charset=utf-8 Connection: keep-alive X-Powered-By: PHP/5.4.16 Set-Cookie: DokuWiki=t86pagsv4t9snsvchj87rhjhl2; path=/; secure; HttpOnly Expires: Thu, 19 Nov 1981 08:52:00 GMT Cache-Control: no-store, no-cache, must-revalidate, post-check=0, pre-check=0 Pragma: no-cache Set-Cookie: DW7fa065a06cb74b536c124cfbe56ac6d3=deleted; expires=Thu, 01-Jan-1970 00:00:01 GMT; path=/; secure; httponly X-UA-Compatible: IE=edge,chrome=1 real 0m0.087s user 0m0.023s sys 0m0.005s