<!-- IF {PHP.usr.id} == 0 -->	
<!-- Google tag (gtag.js) -->
<script async src="https://ww.....3JP"></script>
<script>
  .....
</script>
<!-- ENDIF -->
<!-- IF {PHP.usr.id} == 0 -->		
		<!-- IF {HEADER_META_DESCRIPTION} -->
		<meta name="description" content="{HEADER_META_DESCRIPTION}" />
		<!-- ENDIF -->
		<!-- IF {HEADER_META_KEYWORDS} -->
		<meta name="keywords" content="{HEADER_META_KEYWORDS}" />
		<!-- ENDIF -->
		<!-- IF {PHP.out.opengraph} -->{PHP.out.opengraph}<!-- ENDIF -->
<!-- IF {PHP.env.ext} == "index" -->
<script type="application/ld+json">
 ......
</script>
<!-- ENDIF -->
<!-- ENDIF -->

запомните

<!-- IF {PHP.usr.id} == 0 -->	тут контент для не авторизованных<!-- ENDIF -->