----------------------------------------------------------------------
# Better website experience for IE users
# ----------------------------------------------------------------------
 
# Force the latest IE version, in various cases when it may fall back to IE7 mode
#  github.com/rails/rails/commit/123eb25#commitcomment-118920
# Use ChromeFrame if it's installed for a better experience for the poor IE folk
 
<IfModule mod_headers.c>
    Header set X-UA-Compatible "IE=Edge,chrome=1"
    # mod_headers can't match by content-type, but we don't want to send this header on *everything*...
    <FilesMatch "\.(js|css|gif|png|jpe?g|pdf|xml|oga|ogg|m4a|ogv|mp4|m4v|webm|svg|svgz|eot|ttf|otf|woff|ico|webp|appcache|manifest|htc|crx|xpi|safariextz|vcf)$" >
      Header unset X-UA-Compatible
    </FilesMatch>
</IfModule>
 
# ----------------------------------------------------------------------
# Proper MIME type for all files
# ----------------------------------------------------------------------
 
 
# JavaScript
#   Normalize to standard type (it's sniffed in IE anyways)
#   tools.ietf.org/html/rfc4329#section-7.2
AddType application/javascript         js
 
# Audio
AddType audio/ogg                      oga ogg
AddType audio/mp4                      m4a
 
# Video
AddType video/ogg                      ogv
AddType video/mp4                      mp4 m4v
AddType video/webm                     webm
 
# SVG.
#   Required for svg webfonts on iPad
#   twitter.com/FontSquirrel/status/14855840545
AddType     image/svg+xml              svg svgz
AddEncoding gzip                       svgz
 
# Webfonts
AddType application/vnd.ms-fontobject  eot
AddType application/x-font-ttf    ttf ttc
AddType font/opentype                  otf
AddType application/x-font-woff        woff
 
# Assorted types
AddType image/x-icon                   ico
AddType image/webp                     webp
AddType text/cache-manifest            appcache manifest
AddType text/x-component               htc
AddType application/x-chrome-extension crx
AddType application/x-xpinstall        xpi
AddType application/octet-stream       safariextz
AddType text/x-vcard                   vcf
# ----------------------------------------------------------------------
# gzip compression
# ----------------------------------------------------------------------
 
<IfModule mod_deflate.c>
 
 
# force deflate for mangled headers developer.yahoo.com/blogs/ydn/posts/2010/12/pushing-beyond-gzipping/
<IfModule mod_setenvif.c>
  <IfModule mod_headers.c>
    SetEnvIfNoCase ^(Accept-EncodXng|X-cept-Encoding|X{15}|~{15}|-{15})$ ^((gzip|deflate)\s,?\s(gzip|deflate)?|X{4,13}|~{4,13}|-{4,13})$ HAVE_Accept-Encoding
    RequestHeader append Accept-Encoding "gzip,deflate" env=HAVE_Accept-Encoding
  </IfModule>
</IfModule>
# html, txt, css, js, json, xml, htc:
<IfModule filter_module>
  FilterDeclare   COMPRESS
  FilterProvider  COMPRESS  DEFLATE resp=Content-Type /text/(html|css|javascript|plain|x(ml|-component))/
  FilterProvider  COMPRESS  DEFLATE resp=Content-Type /application/(javascript|json|xml|x-javascript)/
  FilterChain     COMPRESS
  FilterProtocol  COMPRESS  change=yes;byteranges=no
</IfModule>
 
<IfModule !mod_filter.c>
  # Legacy versions of Apache
  AddOutputFilterByType DEFLATE text/html text/plain text/css application/json
  AddOutputFilterByType DEFLATE text/javascript application/javascript application/x-javascript 
  AddOutputFilterByType DEFLATE text/xml application/xml text/x-component
</IfModule>
</IfModule>
 
 
 
# ----------------------------------------------------------------------
# Expires headers (for better cache control)
# ----------------------------------------------------------------------
 
# these are pretty far-future expires headers
# they assume you control versioning with cachebusting query params like
#   <script src="application.js?20100608">
# additionally, consider that outdated proxies may miscache 
#   www.stevesouders.com/blog/2008/08/23/revving-filenames-dont-use-querystring/
 
# if you don't use filenames to version, lower the css and js to something like
#   "access plus 1 week" or so
 
<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 (thx Remy ~Introducing HTML5)
  ExpiresByType text/cache-manifest       "access plus 0 seconds"
 
# your document html 
  ExpiresByType text/html                 "access plus 0 seconds"
 
# data
  ExpiresByType text/xml                  "access plus 0 seconds"
  ExpiresByType application/xml           "access plus 0 seconds"
  ExpiresByType application/json          "access plus 0 seconds"
 
# rss feed
  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 image/gif                 "access plus 1 month"
  ExpiresByType image/png                 "access plus 1 month"
  ExpiresByType image/jpg                 "access plus 1 month"
  ExpiresByType image/jpeg                "access plus 1 month"
  ExpiresByType video/ogg                 "access plus 1 month"
  ExpiresByType audio/ogg                 "access plus 1 month"
  ExpiresByType video/mp4                 "access plus 1 month"
  ExpiresByType video/webm                "access plus 1 month" 
# css and javascript
  ExpiresByType text/css                  "access plus 2 months"
  ExpiresByType application/javascript    "access plus 2 months"
  ExpiresByType text/javascript           "access plus 2 months"
 
  <IfModule mod_headers.c>
    Header append Cache-Control "public"
  </IfModule>
 
</IfModule>
# ----------------------------------------------------------------------
# Expires headers (for better cache control)
# ----------------------------------------------------------------------
 
<ifModule mod_headers.c>
  # 1 YEAR
 <FilesMatch "\.(ico|pdf|flv|jpg|jpeg|png|gif|swf)$">
 Header set Cache-Control "max-age=29030400, public"
 </FilesMatch>
 # 1 WEEK
 <FilesMatch "\.(jpg|jpeg|png|gif|swf)$">
 Header set Cache-Control "max-age=604800, public"
 </FilesMatch>
 # 3 HOUR
 <FilesMatch "\.(txt|xml|js|css)$">
 Header set Cache-Control "max-age=604800"
 </FilesMatch>
</ifModule>
 
# ----------------------------------------------------------------------
# ETag removal
# ----------------------------------------------------------------------
 
# FileETag None is not enough for every server.
<IfModule mod_headers.c>
  Header unset ETag
</IfModule>
 
# Since we're sending far-future expires, we don't need ETags for
# static content.
#   developer.yahoo.com/performance/rules.html#etags
FileETag None
 
 
# ----------------------------------------------------------------------
# Start rewrite engine
# ----------------------------------------------------------------------
 
# Turning on the rewrite engine is necessary for the following rules and features.
# FollowSymLinks must be enabled for this to work.
 
<IfModule mod_rewrite.c>
  Options +FollowSymlinks
  RewriteEngine On
</IfModule>
# ----------------------------------------------------------------------
# Suppress or force the "www." at the beginning of URLs
# ----------------------------------------------------------------------
 
# The same content should never be available under two different URLs - especially not with and
# without "www." at the beginning, since this can cause SEO problems (duplicate content).
# That's why you should choose one of the alternatives and redirect the other one.
 
# By default option 1 (no "www.") is activated. Remember: Shorter URLs are sexier.
# no-www.org/faq.php?q=class_b
 
# If you rather want to use option 2, just comment out all option 1 lines
# and uncomment option 2.
# IMPORTANT: NEVER USE BOTH RULES AT THE SAME TIME!
 
# ----------------------------------------------------------------------
 
# Option 1:
# Rewrite "www.example.com -> example.com"
 
<IfModule mod_rewrite.c>
  RewriteCond %{HTTPS} !=on
  RewriteCond %{HTTP_HOST} ^www\.(.+)$ [NC]
  RewriteRule ^ http://%1%{REQUEST_URI} [R=301,L]
</IfModule>
# ----------------------------------------------------------------------
# Prevent 404 errors for non-existing redirected folders
# ----------------------------------------------------------------------
 
# without -MultiViews, Apache will give a 404 for a rewrite if a folder of the same name does not exist
#   e.g. /blog/hello : webmasterworld.com/apache/3808792.htm
 
Options -MultiViews
 
Options -Indexes
 
# Use UTF-8 encoding for anything served text/plain or text/html
AddDefaultCharset utf-8
 
# Force UTF-8 for a number of file formats
AddCharset utf-8 .html .css .js .xml .json .rss .atom
# "-Indexes" will have Apache block users from browsing folders without a default document
# Usually you should leave this activated, because you shouldn't allow everybody to surf through
# every folder on your server (which includes rather private places like CMS system folders).
<IfModule mod_autoindex.c>
  Options -Indexes
</IfModule>
 
<IfModule php5_module>
  php_value session.cookie_httponly true
</IfModule>