# compression by GZIP
SetOutputFilter DEFLATE
BrowserMatch ^Mozilla/4 gzip-only-text/html
BrowserMatch ^Mozilla/4\.0[678] no-gzip
BrowserMatch \bMSIE !no-gzip !gzip-only-text/html
BrowserMatch \bMSI[E] !no-gzip !gzip-only-text/html
SetEnvIfNoCase Request_URI \
\.(?:gif|jpe?g|png)$ no-gzip dont-vary

<ifModule mod_gzip.c>

mod_gzip_on Yes

mod_gzip_dechunk Yes

mod_gzip_item_include file \.(html?|txt|css|js|php|pl)$

mod_gzip_item_include handler ^cgi-script$ mod_gzip_item_include mime ^text/.*

mod_gzip_item_include mime ^application/x-javascript.*

mod_gzip_item_exclude mime ^image/.*

mod_gzip_item_exclude rspheader ^Content-Encoding:.*gzip.*

</ifModule>

<ifmodule mod_deflate.c>

AddOutputFilterByType DEFLATE text/text text/html text/plain text/xml text/css application/x-javascript application/javascript

</ifmodule>

<ifModule mod_headers.c>

  <filesMatch ".(ico|pdf|flv|jpg|jpeg|png|gif|swf)$">

    Header set Cache-Control "max-age=604800, public"

  </filesMatch>

  <filesMatch ".(css)$">

    Header set Cache-Control "max-age=604800, public"

  </filesMatch>

  <filesMatch ".(js)$">

    Header set Cache-Control "max-age=604800, private"

  </filesMatch>

  <filesMatch ".(xml|txt)$">

    Header set Cache-Control "max-age=604800, public, must-revalidate"

  </filesMatch>
</ifModule>