<?php

function eptour_metrika_hints( $hints, $relation_type ) {
	if ( current_user_can( 'edit_posts' ) ) return;
	if ( 'preconnect' === $relation_type ) {
		$hints[] = [
			'href'        => 'https://cdn.jsdelivr.net/',
			'crossorigin' => 'anonymous',
		];
	}
	return $hints;
}

add_filter( 'wp_resource_hints', 'eptour_metrika_hints', 10, 2 );

# Yandex metrika
add_action(
  'wp_footer',
  function() {
  	if ( ! current_user_can( 'edit_posts' ) ) {
?>
    <script type="text/javascript">!function(){"use strict";var i,c=!1,a=96994604;function d(){i=setTimeout(s,1e3)}function s(e){var t,n,r,o;c||(t=window,o=document,n="script",t.ym=t.ym||function(){(t.ym.a=t.ym.a||[]).push(arguments)},t.ym.l=+new Date,r=o.createElement(n),o=o.getElementsByTagName(n)[0],r.async=1,r.src="https://cdn.jsdelivr.net/npm/yandex-metrica-watch/tag.js",o.parentNode.insertBefore(r,o),ym(a,"init",{clickmap:!0,trackLinks:!0,accurateTrackBounce:!0}),c=!0,clearTimeout(i),window.removeEventListener("scroll",s),window.removeEventListener("touchstart",s),document.removeEventListener("mouseenter",s),document.removeEventListener("click",s),document.removeEventListener("DOMContentLoaded",d))}-1<navigator.userAgent.indexOf("YandexMetrika")?s():(window.addEventListener("scroll",s,{passive:!0}),window.addEventListener("touchstart",s),document.addEventListener("mouseenter",s),document.addEventListener("click",s),document.addEventListener("DOMContentLoaded",d))}();</script>
<?php
}
  }
);