很多想买主机的朋友问的最多的问题之一就是：你们的主机速度如何？其实要自己测试一下非常简单
复制内容到剪贴板
代码:
E:\>curl -I http://www.railschina.com
HTTP/1.1 200 OK
Date: Sun, 06 Jul 2008 09:28:45 GMT
Server: Apache
X-Powered-By: Phusion Passenger (mod_rails/mod_rack) 2.0.1
X-Runtime: 0.00663
ETag: "3869516efc32db533c4cab0dfb60c7cb"
Cache-Control: private, max-age=0, must-revalidate
Set-Cookie: _railschina_session=BAh7BzoMY3NyZl9pZCIlODU2MjdiNTQ3NzcyNzJmYTI3YmY1NDJhZjA3MGRl%0ANmQiCm
ZsYXNoSUM6J0FjdGlvbkNvbnRyb2xsZXI6OkZsYXNoOjpGbGFzaEhh%0Ac2h7AAY6CkB1c2VkewA%3D--696375b726a5c64e837c
d76a2dfb75d466862704; path=/
Content-Length: 14342
X-Hacker: The Ruby on Rails Community of China. -- RailsChina.com
Vary: Accept-Encoding
Content-Type: text/html; charset=utf-8其中的X-Runtime: 0.00663 就是rails应用运行的速度，在一定程度上体现了主机的性能。
