A few functions that will allow you to insert tracking code into the head of the document on the single registration page. You can substitute the hook if you want the tracking code to go on another page. Requires WordPress + Event Espresso 3.x Support forum post: http://eventespresso.com/topic/is-there-a-way-to-insert-tracking-codes-in-within-th…

tracking_code_example.php

<?php

add_action ( 'action_hook_espresso_social_display_buttons', 'itc_add_tracking_code_hook');

add_action ( 'wp_head', 'itc_print_tracking_code' );

function itc_add_tracking_code_hook () {
  
	global $add_my_tracking_code;

	$add_my_tracking_code = true;

}

function itc_print_tracking_code () {

	global $add_my_tracking_code;

	if ( ! $add_my_tracking_code )
		return;
	?>
	<script type="text/javascript">
	// your tracking code goes here
	</script>
	<?php

}