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Images don't get cached.

Discussion in 'XenForo Development Discussions' started by Dietmar Britos, Jun 1, 2012.

  1. I run an automotive forum, and as you can imagine it has a lot of images in the posts.

    They don't get cached by Chrome.

    My .htacess

    # Mod_security can interfere with uploading of content such as attachments. If you
    # cannot attach files, remove the "#" from the lines below.
    #<IfModule mod_security.c>
    # SecFilterEngine Off
    # SecFilterScanPOST Off
    #</IfModule>

    ErrorDocument 401 default
    ErrorDocument 403 default
    ErrorDocument 404 default
    ErrorDocument 500 default

    <IfModule mod_rewrite.c>
    RewriteEngine On

    # If you are having problems with the rewrite rules, remove the "#" from the
    # line that begins "RewriteBase" below. You will also have to change the path
    # of the rewrite to reflect the path to your XenForo installation.
    #RewriteBase /xenforo

    # This line may be needed to enable WebDAV editing with PHP as a CGI.
    #RewriteRule .* - [E=HTTP_AUTHORIZATION:%{HTTP:Authorization}]

    RewriteCond %{REQUEST_FILENAME} -f [OR]
    RewriteCond %{REQUEST_FILENAME} -l [OR]
    RewriteCond %{REQUEST_FILENAME} -d
    RewriteRule ^.*$ - [NC,L]
    RewriteRule ^(data/|js/|styles/|install/|favicon\.ico|crossdomain\.xml|robots\.txt) - [NC,L]
    RewriteRule ^.*$ index.php [NC,L]
    </IfModule>

    # Headers expires

    Header unset Pragma
    FileETag None
    Header unset ETag

    # 1 YEAR
    <FilesMatch "\.(ico|pdf|flv)$">
    Header set Cache-Control "max-age=29030400, public"
    </FilesMatch>
    # 1 WEEK
    <FilesMatch "\.(jpg|jpeg|png|gif|swf)$">
    Header set Cache-Control "max-age=604800, public"
    </FilesMatch>
    # 2 DAYS 172800
    <FilesMatch "\.(xml|txt|css|js)$">
    Header set Cache-Control "max-age=604800, proxy-revalidate"
    </FilesMatch>
    # 1 MIN
    <FilesMatch "\.(html|htm)$">
    Header set Cache-Control "max-age=60, private, proxy-revalidate"
    </FilesMatch>
    ExpiresActive on
    ExpiresByType image/jpeg "access plus 1 months"
    ExpiresByType image/jpg "access plus 1 months"


    Bue the jpg-jpeg headers shows that it expires in 1981 (?):

    HTTP/1.1 200 OK Date: Fri, 01 Jun 2012 11:25:09 GMT Server: Apache/2.2.20 (Ubuntu) X-Powered-By: PHP/5.3.6-13ubuntu3.7 Expires: Thu, 19 Nov 1981 08:52:00 GMT Cache-control: private, max-age=0 Last-Modified: Fri, 01 Jun 2012 11:25:09 GMT Content-Disposition: inline; filename="DSC_0046.jpg" Content-Length: 50189 X-Content-Type-Options: nosniff Keep-Alive: timeout=5, max=96 Connection: Keep-Alive Content-Type: image/jpeg
     

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