hanumanind/wp-content/plugins/w3-total-cache/ini/apache_conf/mod_expires.conf

# ----------------------------------------------------------------------
# Cache Control via HTTP Headers + Expires
# Generation of Expires and Cache-Control HTTP headers according to user-specified criteria
# http://httpd.apache.org/docs/2.0/mod/mod_headers.html
# ----------------------------------------------------------------------

# Expires Defaults
<ifmodule mod_expires.c="">
ExpiresActive On
# Set default expires to 2 days
ExpiresDefault A172800
ExpiresByType text/css A31536000
ExpiresByType application/x-javascript A31536000
ExpiresByType text/x-component A31536000
ExpiresByType text/html A3600
ExpiresByType text/richtext A3600
ExpiresByType image/svg+xml A3600
ExpiresByType text/plain A3600
ExpiresByType text/xsd A3600
ExpiresByType text/xsl A3600
ExpiresByType text/xml A3600
ExpiresByType video/asf A31536000
ExpiresByType video/avi A31536000
ExpiresByType image/bmp A31536000
ExpiresByType application/java A31536000
ExpiresByType video/divx A31536000
ExpiresByType application/msword A31536000
ExpiresByType application/vnd.ms-fontobject A31536000
ExpiresByType application/x-msdownload A31536000
ExpiresByType image/gif A31536000
ExpiresByType application/x-gzip A31536000
ExpiresByType image/x-icon A31536000
ExpiresByType image/jpeg A31536000
ExpiresByType application/vnd.ms-access A31536000
ExpiresByType audio/midi A31536000
ExpiresByType video/quicktime A31536000
ExpiresByType audio/mpeg A31536000
ExpiresByType video/mp4 A31536000
ExpiresByType video/ogg A31536000
ExpiresByType video/mpeg A31536000
ExpiresByType application/vnd.ms-project A31536000
ExpiresByType application/x-font-otf A31536000
ExpiresByType application/vnd.oasis.opendocument.database A31536000
ExpiresByType application/vnd.oasis.opendocument.chart A31536000
ExpiresByType application/vnd.oasis.opendocument.formula A31536000
ExpiresByType application/vnd.oasis.opendocument.graphics A31536000
ExpiresByType application/vnd.oasis.opendocument.presentation A31536000
ExpiresByType application/vnd.oasis.opendocument.spreadsheet A31536000
ExpiresByType application/vnd.oasis.opendocument.text A31536000
ExpiresByType audio/ogg A31536000
ExpiresByType application/pdf A31536000
ExpiresByType image/png A31536000
ExpiresByType application/vnd.ms-powerpoint A31536000
ExpiresByType audio/x-realaudio A31536000
ExpiresByType image/svg+xml A31536000
ExpiresByType application/x-shockwave-flash A31536000
ExpiresByType application/x-tar A31536000
ExpiresByType image/tiff A31536000
ExpiresByType application/x-font-ttf A31536000
ExpiresByType audio/wav A31536000
ExpiresByType audio/wma A31536000
ExpiresByType application/vnd.ms-write A31536000
ExpiresByType application/vnd.ms-excel A31536000
ExpiresByType application/zip A31536000
</ifmodule>

# No caching for dynamic files
<filesmatch>
ExpiresDefault A0
Header set Cache-Control "no-store, no-cache, must-revalidate, max-age=0"
Header set Pragma "no-cache"
</filesmatch>

# 1 MIN
<filesmatch>
ExpiresDefault A60
Header set Cache-Control "max-age=60, must-revalidate"
</filesmatch>

# 2 DAYS
<filesmatch>
ExpiresDefault A172800
Header set Cache-Control "max-age=172800, must-revalidate"
</filesmatch>

# 1 WEEK
<filesmatch>
ExpiresDefault A604800
Header set Cache-Control "max-age=604800, must-revalidate"
</filesmatch>

# 1 MONTH
<filesmatch>
ExpiresDefault A2419200
Header set Cache-Control "max-age=2419200, must-revalidate"
</filesmatch>