.htaccess

RewriteEngine On

RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d

RewriteRule ^(.+?)\.(html|js|json|xml)$ data.php?features=$1&format=$2 [NC,QSA]

<IfModule mod_expires.c>
  ExpiresActive on

# Default for all files
  ExpiresDefault                          "access plus 1 day"
  ExpiresByType text/html                 "access plus 1 day"

# Data
  ExpiresByType text/xml                  "access plus 1 day"
  ExpiresByType application/xml           "access plus 1 day"
  ExpiresByType application/json          "access plus 1 day"

# Media: images
  ExpiresByType image/png                 "access plus 1 month"

# CSS and JavaScript
  ExpiresByType text/css                  "access plus 1 day"
  ExpiresByType application/javascript    "access plus  1 day"

</IfModule>