0👍
I use this code in index.html
<!-- Google Tag Manager (noscript) -->
<noscript>
<iframe
src="https://www.googletagmanager.com/ns.html?id=<%= gtmId %>"
style="display: none; visibility: hidden"
></iframe>
</noscript>
https://developers.google.com/tag-platform/devguides/install-tag-manager?hl=ko
Source:stackexchange.com