# Response.headers without "x-runtime"?

**URL:** <https://www.ruby-forum.com/t/response-headers-without-x-runtime/140874>\
**Category:** Rails\
**Created:** [June 19, 2008, 1:23pm UTC](https://www.ruby-forum.com/t/response-headers-without-x-runtime/140874 "2008-06-19T13:23:18Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![oldbear](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/o/96bed5/32.png) [@oldbear](https://www.ruby-forum.com/u/oldbear)\
**Post date:** [June 19, 2008, 1:23pm UTC](https://www.ruby-forum.com/t/response-headers-without-x-runtime/140874/1 "2008-06-19T13:23:18Z")

</div>

rails:1.2.6

# curl -I [http://localhost:4000/](http://localhost:4000/) HTTP/1.1 200 OK Connection: close Date: Thu, 19 Jun 2008 11:06:38 GMT Set-Cookie: \_co56\_web\_session\_id=cd290031eadc2ac55593098aee726985; path=/ Status: 200 OK X-Runtime: 10 Cache-Control: no-cache Server: Mongrel 1.1.4 Content-Type: text/html; charset=utf-8 Content-Length: 18292

headers without x-runtime,why? thx