Re: [squid-users] How to check whether a URL is cached or not?

From: Hua Su <huas.su_at_gmail.com>
Date: Fri, 22 May 2009 20:40:57 +0800

I see. Thanks you all.

On Fri, May 22, 2009 at 8:33 PM, Jeff Pang <pangj_at_arcor.de> wrote:
> Hua Su :
>>
>> Hi,
>> Is there any way to check whether a URL is cached or not? Thanks!
>>
>
> Yes, to watch the http headers of a response.
> For example, when request news.163.com we could get these headers:
>
>
> (Status-Line)   HTTP/1.0 200 OK
> Age     31
> Cache-Control   max-age=70
> Connection      close
> Content-Encoding        gzip
> Content-Type    text/html; charset=GBK
> Date    Fri, 22 May 2009 12:29:21 GMT
> Expires Fri, 22 May 2009 12:30:31 GMT
> Last-Modified   Fri, 22 May 2009 12:28:05 GMT
> Server  nginx/0.7.39
> Vary    Accept-Encoding
> Via     172.16.80.162.nginx, 1.0 cache.163.com (squid/3.0.STABLE13)
> X-Cache HIT from cache.163.com
>
>
> The last line means this url get cached.
>
>
> --
> Jeff Pang
> DingTong Technology
> www.dtonenetworks.com
>
Received on Fri May 22 2009 - 12:41:08 MDT

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