How to avoid repeated downloading of .xsl files?

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Rahul Agarwal - 29 Jun 2005 02:04 GMT

Hi

We are heavily using .xsl for client-side transformation and these files are
always downloaded with every request to a page. Is it possible to some how
cache these files on the client side like any other files (for e.g. .js,
.img files) so that it dosent gets downloaded everytime.

Please advise
Rahul

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Joerg Jooss - 01 Jul 2005 08:47 GMT

> Hi
>
[quoted text clipped - 3 lines]
> other files (for e.g. .js, .img files) so that it dosent gets
> downloaded everytime.

Sure. Simply mark the files as cacheable in your web server using
appropriate HTTP caching headers, e.g.

Cache-Control: public, max-age=86400

(any cache may store the XSL and consider it fresh for 86400 seconds,
i.e. one day)

Note that in IIS you can only set headers per directory, in which case
you'll need to put all your XSL files in a common directory and set the
desired HTTP headers for this directory.

Cheers,

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Rahul Agarwal - 04 Jul 2005 01:09 GMT

Hi Joerg

Thanks for the reply. However I am still unable to cache the .xsl files even
after adding the header you suggested. I think the problem is IIS is sending
a header "Pragma: no-cache", do you know how I can remove this header. I
can't seem to find this header being explicitly added on the .xsl
files/directory.

Please advice
Thanks
rahul

>> Hi
>>
[quoted text clipped - 17 lines]
>
> Cheers,

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Joerg Jooss - 04 Jul 2005 20:50 GMT

> Hi Joerg
>
[quoted text clipped - 3 lines]
> remove this header. I can't seem to find this header being explicitly
> added on the .xsl files/directory.

Are you sure it's set by IIS? I don't think so. Also note that Pragma:
no-cache is a meaningless for properly implemented HTTP 1.1 clients.

Cheers,

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mailto:news-reply@joergjooss.de

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How to avoid repeated downloading of .xsl files?

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