.htaccess

# BEGIN Compress text files
<ifModule mod_deflate.c>
  <filesMatch ".(css|js|x?html?|php)$">
    SetOutputFilter DEFLATE
  </filesMatch>
</ifModule>
# END Compress text files

# BEGIN EXPIRES
<IfModule mod_expires.c>
    ExpiresActive On
    ExpiresDefault "access plus 10 days"
    ExpiresByType text/css "access plus 1 week"
    ExpiresByType text/plain "access plus 1 month"
    ExpiresByType image/gif "access plus 1 month"
    ExpiresByType image/png "access plus 1 month"
    ExpiresByType image/jpeg "access plus 1 month"
    ExpiresByType application/x-javascript "access plus 1 month"
    ExpiresByType application/javascript "access plus 1 week"
    ExpiresByType application/x-icon "access plus 1 year"
</IfModule>
# END EXPIRES

# BEGIN Cache-Control Headers
<ifModule mod_headers.c>
  <filesMatch ".(ico|jpe?g|png|gif|swf)$">
    Header set Cache-Control "max-age=2592000, public"
  </filesMatch>
  <filesMatch ".(css)$">
    Header set Cache-Control "max-age=604800, public"
  </filesMatch>
  <filesMatch ".(js)$">
    Header set Cache-Control "max-age=216000, private"
  </filesMatch>
</ifModule>
# END Cache-Control Headers

# BEGIN Turn ETags Off
<ifModule mod_headers.c>
  Header unset ETag
</ifModule>
FileETag None
# END Turn ETags Off
 
# BEGIN Remove Last-Modified Header
<ifModule mod_headers.c>
  Header unset Last-Modified
</ifModule>
# END Remove Last-Modified Header

<IfModule mod_rewrite.c>
RewriteEngine on
#next line is to be changed into app root directory name 
RewriteBase /

#RewriteCond %{REQUEST_URI} !(/$|\.) 
#RewriteRule (.*) %{REQUEST_URI}/ [R=301,L] 

RewriteCond %{HTTP_USER_AGENT} (.*facebookexternalhit.*|.*Twitterbot.*|.*Pinterest.*|.*Google.*|.*Slackbot.*|.*Facebot.*|.*Skype.*|.*facebook.*|.*FB_IAB.*|.*FBAN\/FBIOS.*|.*FBAV.*|.*FBBV.*|.*FBDV.*|.*FBMD.*|.*FBSN.*|.*FBCR.*|.*FBLC.*|.*Slackbot-LinkExpanding.*)$
RewriteRule ^details/(.*)/(.*)$ /opengraph?sequence=$1&index=$2 [P]

RewriteCond %{REQUEST_FILENAME} !-f
RewriteRule ^ index.php [L]

</IfModule>