Speed Up Sites with htaccess Caching

Материал из RSU WiKi

There are 2 really easy and effective methods to speed up your entire website using apaches htaccess!

The first way is to use the Header Directive. from the mod_headers module

############################
#      300   5 MIN
#      600  10 MIN
#      900  15 MIN
#     1800  30 MIN
#     2700  45 MIN
#
#     3600   1 HR
#    86400  24 HR
#
#    86400   1 DAY
#   604800   7 DAY
#
#   604800   1 WEEK
#
#  2419200   1 MONTH
# 29030400  12 MONTH
############################

Heres the first Header example

 # MONTH
 <FilesMatch "\.(flv|gif|jpg|jpeg|png|ico|swf)$">
 Header set Cache-Control "max-age=2592000"
 </FilesMatch>

 # WEEK
 <FilesMatch "\.(js|css|pdf|txt)$">
 Header set Cache-Control "max-age=604800"
 </FilesMatch>

 # DAY
 <FilesMatch "\.(html|htm)$">
 Header set Cache-Control "max-age=43200"
 </FilesMatch>

 # DONT CACHE
 <FilesMatch "\.(pl|php|cgi|spl)$">
 Header set Cache-Control "max-age=0"
 </FilesMatch> 

Another example using Headers

 # 3 Months
 <FilesMatch "\.(flv|gif|jpg|jpeg|png|ico|swf)$">
 Header set Cache-Control "max-age=7257600"
 </FilesMatch>

 # 7 Days
 <FilesMatch "\.(js|css|pdf|txt)$">
 Header set Cache-Control "max-age=604800"
 </FilesMatch>

 # 10 minutes
 <FilesMatch "\.(html|htm)$">
 Header set Cache-Control "max-age=600"
 </FilesMatch>

 # DONT CACHE
 <FilesMatch "\.(pl|php|cgi|spl)$">
 Header unset Cache-Control
 Header unset Expires
 Header unset Last-Modified
 FileETag None
 Header unset Pragma
 </FilesMatch>

The second way is with the ExpiresByType Directive. from the mod_expires module

 ### turn on the Expires engine
 ExpiresActive On

 ### expires after a month in the client's cache
 ExpiresByType image/gif A2592000
 ExpiresByType image/png A2592000
 ExpiresByType image/jpg A2592000
 ExpiresByType image/x-icon A2592000
 ExpiresByType application/pdf A2592000
 ExpiresByType application/x-javascript A2592000
 ExpiresByType text/plain A2592000

 ### expires after 4.8 hours
 ExpiresByType text/css A17200

Another example using mod_expires

 ExpiresActive On
 ExpiresDefault A86400
 ExpiresByType image/x-icon A2592000
 ExpiresByType application/x-javascript A2592000
 ExpiresByType text/css A2592000
 ExpiresByType image/gif A604800
 ExpiresByType image/png A604800
 ExpiresByType image/jpeg A604800
 ExpiresByType text/plain A604800
 ExpiresByType application/x-shockwave-flash A604800
 ExpiresByType video/x-flv A604800
 ExpiresByType application/pdf A604800
 ExpiresByType text/html A900 

A good discussion about the Expires method can be found on Powweb or SitePoint