# Deflate plain-text files using gzip
AddOutputFilterByType DEFLATE text/plain text/html text/xml text/javascript application/javascript text/css
# Use entity tags based on mod time and filesize
FileETag -INode +MTime +Size
<IfModule mod_headers.c>
<FilesMatch ^LICENSE$>
Header add Content-Type text/plain
</FilesMatch>
</IfModule>
# Expiration header module
<IfModule mod_expires.c>
ExpiresActive On
# Add far-future expiration to images
ExpiresByType image/png "access plus 10 years"
ExpiresByType image/gif "access plus 10 years"
ExpiresByType image/jpg "access plus 10 years"
ExpiresByType image/jpeg "access plus 10 years"
# Add far-future expiration to scripts and styles
ExpiresByType text/css "access plus 10 years"
ExpiresByType text/javascript "access plus 10 years"
ExpiresByType application/javascript "access plus 10 years"
</IfModule>
# Serve regular users the stable JS
<IfModule mod_rewrite.c>
RewriteEngine on
RewriteCond %{HTTP_COOKIE} !beta[^a-z]*true
RewriteRule adhoc.js adhoc_stable.js
</IfModule>
