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Posted: Sat Feb 09, 2008 11:02 am 
Joomla! Apprentice
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Joined: Mon Oct 02, 2006 7:15 pm
Posts: 24
Location: Turkey
Joomla 1.5 very slow loading and response. Gzip deflate enabled on my site.
Code:
AddOutputFilterByType DEFLATE text/html text/plain text/css text/xml application/xml application/x-httpd-php application/xhtml+xml text/javascript application/rss+xml application/atom_xml application/x-javascript
BrowserMatch ^Mozilla/4 gzip-only-text/html
BrowserMatch ^Mozilla/4\.0[678] no-gzip
BrowserMatch \bMSIE !no-gzip !gzip-only-text/html

ExpiresActive On
ExpiresByType image/gif A31536000
ExpiresByType image/png A31536000
ExpiresByType image/jpg A31536000
ExpiresByType image/jpeg A31536000
ExpiresByType image/x-icon A31536000
ExpiresByType application/pdf A31536000
ExpiresByType application/x-javascript A31536000
ExpiresByType application/x-Shockwave-Flash A31536000
ExpiresByType text/css A31536000


after i check my server headers check
result: please see attachment!

1. Joomla - why using no-store, must-revalidate, Expires in the past?
Why?

2. Can i delete this values?
Code:
JResponse::setHeader( 'Expires', 'Mon, 1 Jan 2001 00:00:00 GMT', true );    
JResponse::setHeader( 'Cache-Control', 'no-store, must-revalidate ....(only two!)


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Posted: Sat Feb 09, 2008 4:25 pm 
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Joomla! Ace
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Joined: Thu Nov 10, 2005 3:10 am
Posts: 1919
Location: New Jersey, USA
Well... 

Dynamic pages should always have NoStore- Must Revalidate.  It's because the same URL has different content at different times (or can I should say).  Now, if you enable the Cache plugin, it does use modified since headers to effectivly use browser cache. 

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Posted: Sat Feb 09, 2008 5:30 pm 
Joomla! Apprentice
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Joined: Mon Oct 02, 2006 7:15 pm
Posts: 24
Location: Turkey
ircmaxell wrote:
Well... 

Dynamic pages should always have NoStore- Must Revalidate.  It's because the same URL has different content at different times (or can I should say).  Now, if you enable the Cache plugin, it does use modified since headers to effectivly use browser cache. 

Thanks for reply ircmaxell. :)


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