http://www.markdescande.com/speed-up-wp-engine/

gistfile1.txt

<ifModule mod_php5.c>
php_value zlib.output_compression on
</ifModule>
SetOutputFilter DEFLATE
<IfModule mod_headers.c>
Header set Connection keep-alive
Header append Vary User-Agent env=!dont-vary
</IfModule>

<IfModule mod_expires.c>
ExpiresActive on
ExpiresDefault “access plus 14 days”
Header set Cache-Control “public”
</IfModule>

<FilesMatch “\.(html|htm|xml|txt|xsl)$”>
Header set Cache-Control “max-age=7200, must-revalidate”
</FilesMatch>

<IfModule mod_mime.c>
AddType application/x-javascript .js
AddType text/css .css
</IfModule>

<IfModule mod_deflate.c>
AddOutputFilterByType DEFLATE text/css application/x-javascript text/x-component text/html text/richtext image/svg+xml text/plain text/xsd text/xsl text/xml image/x-icon application/javascript
</IfModule>

<IfModule mod_setenvif.c>
SetEnvIfNoCase Request_URI \.(?:rar|zip)$ no-gzip dont-vary
SetEnvIfNoCase Request_URI \.(?:avi|mov|mp4)$ no-gzip dont-vary
SetEnvIfNoCase Request_URI \.mp3$ no-gzip dont-vary
</IfModule>

# BEGIN WordPress

<IfModule mod_rewrite.c>
RewriteEngine On
RewriteBase /
RewriteRule ^index\.php$ – [L]
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteRule . /index.php [L]
</IfModule>

# END WordPress