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Date: Fri, 14 Apr 2006 23:16:26 +0200
From: "Simon Werner" <simonwerner@gmail.com>
To: users@httpd.apache.org
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Subject: Re: [users@httpd] Problems with JS, IE 6.0 and mod_deflate

Thanks a lot for all the advice.  Unfortunately we are limited to
using only IE so we cannot implement other browsers.  The mod_filter
looks promising, I will try that.

Thanks,
Simon

On 4/14/06, Axel-St=E9phane  SMORGRAV
<Axel-Stephane.SMORGRAV@europe.adp.com> wrote:
> IE does not particularly like compressed CSS and JS and exhibits exactly =
the behaviour you describe when you download a compressed CSS or a compress=
ed JS which compressed size is less than 5 KB (?? not sure about the number=
, but if memory serves me right it corresponds to some Windows registry set=
ting). Compressing plain text or HTML works well.
>
> In my view you have several choices:
>
> 1. If you really need to compress CSS and JS responses because most are b=
ig, but you have a few that are below the limit, you can pad those that are=
 known to cause the problem.
>
> 2. If most CSS and JS are small, you can choose not to compress this kind=
 of contents.
>
> 3. You can use mod_filter to execute the DEFLATE output-filter, you can c=
reate conditions on the types of contents you want to compress, and even on=
 the size of each content. You can for example choose to compress CSS and J=
S only if the size exceeds a certain value.
>
> mod_filter is an Apache 2.1/2.2 module but can relatively easily be compi=
led for Apache 2.0
>
> You state that you have the problem even though you do not compress JS. I=
 do not however know about any other issue with IE that would cause the pro=
blem you describe, and the problem is definitely not in Apache. I have been=
 using compression a little in 2.0.47, and heavily in 2.0.49 and 2.0.54, an=
d never seen the exact problem you describe caused by anything else that IE=
/CSS/JS. Of course there may be other problems related to timing, scripts e=
xpecting certain variables to exist that are defined in another java script=
 that has not yet initialised etc., but I doubt it is in your case.
>
> -ascs
>

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