diff --git a/index.html b/index.html
index 2bacc6f9b6..512ccab04f 100644
--- a/index.html
+++ b/index.html
@@ -55,6 +55,7 @@
   ga('send', 'pageview');
 </script>
 <script async src="https://www.google-analytics.com/analytics.js"></script>
+<script defer src="https://cdn.usefathom.com/script.js" data-site="TAXRUMOF"></script>
 
 
   </head>
@@ -62,7 +63,7 @@
     <div class="skippy visually-hidden-focusable overflow-hidden">
   <div class="container-xl">
     <a class="d-inline-flex p-2 m-1" href="#content">Skip to main content</a>
-    
+
   </div>
 </div>
 
@@ -137,7 +138,7 @@
 </header>
 
 
-    
+
   <main>
     <div class="bd-masthead mb-3" id="content">
   <div class="container px-4 px-md-3">
@@ -272,7 +273,7 @@
 
   </main>
 
-  
+
 
 
     <footer class="bd-footer py-5 mt-5 bg-light">
@@ -341,7 +342,7 @@
 <script src="/docs/5.0/assets/js/docs.min.js"></script>
 
 
-    
-    
+
+
   </body>
 </html>