patrickhills/footer-tracking-script.php

## footer-tracking-script.php
  <?php
    $current_site_url = get_site_url(); // e.g. http://www.example.com
    $to_remove = array( 'http://', 'https://' );
    foreach ( $to_remove as $item ) {
        $current_site_url = str_replace($item, '', $current_site_url); // to: www.example.com
    }
  ?>

  <script type="text/javascript"> (function($){ $(window).load(function() {
  //Track Downloads
    $('a').filter(function() { return this.href.match(/.*\.(zip|mp3*|mpe*g|pdf|docx*|pptx*|xlsx*|rar*)(\?.*)?$/); }).click(function(e) { ga('send','event', 'download', 'click', this.href); });
    //Track Mailto
    $('a[href^="mailto"]').click(function(e) { ga('send','event', 'email', 'send', this.href); });
    //Track Outbound Links
    $('a[href^="http"]').filter(function() { if (!this.href.match(/.*\.(zip|mp3*|mpe*g|pdf|docx*|pptx*|xlsx*|rar*)(\?.*)?$/)){ if (this.href.indexOf('<?php echo $current_site_url; ?>') == -1) return this.href; } }).click(function(e) { ga('send','event', 'outbound', 'click', this.href); }); }); })(jQuery);
  </script>