TO DO:
<link rel='dns-prefetch' href='//s.w.org' />

minify html

<link rel="profile" href="http://gmpg.org/xfn/11">

  <link rel="pingback" href="http://www.developeraccount.com/blog/xmlrpc.php">

  https://nl.wordpress.org/plugins/bicycles-by-falbar/

admin styles en js folders weg

https://wordpress.org/plugins/wp-basic-elements/screenshots/

https://wordpress.org/plugins/wp-helper-master/