diff --git a/theme/doc-page-template.html b/theme/doc-page-template.html
index 88155ed86..c1a30a507 100755
--- a/theme/doc-page-template.html
+++ b/theme/doc-page-template.html
@@ -41,6 +41,7 @@
 		<noscript><style>.sidebar-toc { visibility: visible; }</style></noscript>
 		<!-- Global site tag (gtag.js) - Google Analytics -->
 		<script async src="https://www.googletagmanager.com/gtag/js?id=UA-12953034-3"></script>
+		<script src="https://cdn.usefathom.com/script.js" data-site="SORWNTTM" defer></script>
 		<script>
 		window.dataLayer = window.dataLayer || [];
 		function gtag(){dataLayer.push(arguments);}