diff --git a/docs/index/index.html b/docs/index/index.html
index 9518be8f..61cb88bc 100644
--- a/docs/index/index.html
+++ b/docs/index/index.html
@@ -561,6 +561,8 @@
 data-styled.g140[id="sc-global-kJtbWf1"]{content:"sc-global-kJtbWf1,"}/*!sc*/
 </style>
   <link href="https://fonts.googleapis.com/css?family=Montserrat:300,400,700|Roboto:300,400,700" rel="stylesheet">
+<!-- We participate in the US government's analytics program. See the data at analytics.usa.gov. -->
+<script async type="text/javascript" src="https://dap.digitalgov.gov/Universal-Federated-Analytics-Min.js?agency=NASA&subagency=GSFC" id="_fed_an_ua_tag"></script>
 </head>
 
 <body>
