title: What is "AddType" in .htaccess?
body: <p>What is the difference those?</p>
  
  <blockquote>
    <p>AddType x-mapp-php5 .php</p>
    
    <p>AddType application/x-httpd-php .php</p>
    
    <p>AddType x-httpd-php .php</p>
  </blockquote>
  
  <p>?</p>
  
  <p>The page loading speed significantly decreases when I have <code>AddType application/x-httpd-php .php</code> .
  Why would that be?</p>