Server feature for optimization

Need to activate these module
- mod_deflate
:  used to compress data using gzip compression

- mod_header
: Customization of HTTP request and response headers

- mod_expires
: Generation of Expires and Cache-Control HTTP headers according to user-specified criteria

- mod_filter, mod_ext_filter
: smart filter configuration module like filter file types

In .htaccess file

#For Expire header
<IfModule mod_expires.c>
ExpiresActive on

# Perhaps better to whitelist expires rules? Perhaps.
ExpiresDefault                          "access plus 1 month"

# cache.appcache needs re-requests in FF 3.6 (thanks Remy ~Introducing HTML5)
ExpiresByType text/cache-manifest       "access plus 0 seconds"

# Your document html
ExpiresByType text/html                 "access plus 0 seconds"

# Data
ExpiresByType application/json          "access plus 0 seconds"
ExpiresByType application/xml           "access plus 0 seconds"
ExpiresByType text/xml                  "access plus 0 seconds"

# Feed
ExpiresByType application/atom+xml      "access plus 1 hour"
ExpiresByType application/rss+xml       "access plus 1 hour"

# Favicon (cannot be renamed)
ExpiresByType image/x-icon              "access plus 1 week"

# Media: images, video, audio
ExpiresByType audio/ogg                 "access plus 1 month"
ExpiresByType image/gif                 "access plus 1 month"
ExpiresByType image/jpeg                "access plus 1 month"
ExpiresByType image/png                 "access plus 1 month"
ExpiresByType video/mp4                 "access plus 1 month"
ExpiresByType video/ogg                 "access plus 1 month"
ExpiresByType video/webm                "access plus 1 month"

# HTC files  (css3pie)
ExpiresByType text/x-component          "access plus 1 month"

# Webfonts
ExpiresByType application/vnd.ms-fontobject "access plus 1 month"
ExpiresByType application/x-font-ttf    "access plus 1 month"
ExpiresByType application/x-font-woff   "access plus 1 month"
ExpiresByType font/opentype             "access plus 1 month"
ExpiresByType image/svg+xml             "access plus 1 month"

# CSS and JavaScript
ExpiresByType application/javascript    "access plus 1 year"
ExpiresByType text/css                  "access plus 1 year"
</IfModule>

#For gzip compression
<IfModule mod_deflate.c>
AddOutputFilter DEFLATE php
AddOutputFilterByType DEFLATE text/plain
AddOutputFilterByType DEFLATE text/html
AddOutputFilterByType DEFLATE text/xml
AddOutputFilterByType DEFLATE application/x-httpd-php
AddOutputFilterByType DEFLATE text/css
AddOutputFilterByType DEFLATE application/xml
AddOutputFilterByType DEFLATE application/xhtml+xml
AddOutputFilterByType DEFLATE application/rss+xml
AddOutputFilterByType DEFLATE application/javascript
AddOutputFilterByType DEFLATE application/x-javascript
AddOutputFilterByType DEFLATE application/json
AddOutputFilterByType DEFLATE font/otf
AddOutputFilterByType DEFLATE font/ttf
</IfModule>

#unset Etags

Header unset ETag
FileETag None

Author : Niral

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