Drupal htaccess optimizations

.htaccess

# KILL THEM ETAGS
# http://www.askapache.com/htaccess/apache-speed-etags.html
FileETag none

# set expires header
<FilesMatch "\.(ico|jpg|jpeg|png|gif|js|css|swf|woff|eot|svg|ttf)$">
   Header set Expires "Tue, 16 Jun 2020 20:00:00 GMT"
</FilesMatch>

# turn on gzip compression
<FilesMatch "\.(js|css|html|htm|php|xml|woff|eot|svg|ttf)$">
   SetOutputFilter DEFLATE
</FilesMatch>

.htaccess (d7)

  # already build-in D7
  # Rules to correctly serve gzip compressed CSS and JS files.
  # Requires both mod_rewrite and mod_headers to be enabled.
  <IfModule mod_headers.c>
    # Serve gzip compressed CSS files if they exist and the client accepts gzip.
    RewriteCond %{HTTP:Accept-encoding} gzip
    RewriteCond %{REQUEST_FILENAME}\.gz -s
    RewriteRule ^(.*)\.css $1\.css\.gz [QSA]

    # Serve gzip compressed JS files if they exist and the client accepts gzip.
    RewriteCond %{HTTP:Accept-encoding} gzip
    RewriteCond %{REQUEST_FILENAME}\.gz -s
    RewriteRule ^(.*)\.js $1\.js\.gz [QSA]

    # Serve correct content types, and prevent mod_deflate double gzip.
    RewriteRule \.css\.gz$ - [T=text/css,E=no-gzip:1]
    RewriteRule \.js\.gz$ - [T=text/javascript,E=no-gzip:1]

    <FilesMatch "(\.js\.gz|\.css\.gz)$">
      # Serve correct encoding type.
      Header append Content-Encoding gzip
      # Force proxies to cache gzipped & non-gzipped css/js files separately.
      Header append Vary Accept-Encoding
    </FilesMatch>
  </IfModule>