diff --git a/frontend/index.html b/frontend/index.html
index e4711600..bd7bb891 100644
--- a/frontend/index.html
+++ b/frontend/index.html
@@ -284,7 +284,10 @@
         window.addEventListener("load", scheduleAdsense, { once: true });
       }
     </script>
-  </head>
+    <!-- Umami: self-hosted, cookieless. The landing pages had no analytics at
+       all, so their traffic was invisible outside Search Console. -->
+  <script defer src="https://umami.alexandre-vazquez.cloud/script.js" data-website-id="043e327b-723e-4efd-9ac9-46589219c706"></script>
+</head>
   <body>
     <div id="root">
       <div class="app-shell" role="status" aria-live="polite">
diff --git a/frontend/public/xml-to-json/index.html b/frontend/public/xml-to-json/index.html
index f2324cb8..9eb2ba29 100644
--- a/frontend/public/xml-to-json/index.html
+++ b/frontend/public/xml-to-json/index.html
@@ -197,6 +197,9 @@
     .ea-slot .ethical-ad { max-width: 100%; }
   </style>
   <script async src="https://media.ethicalads.io/media/client/ethicalads.min.js"></script>
+  <!-- Umami: self-hosted, cookieless. The landing pages had no analytics at
+       all, so their traffic was invisible outside Search Console. -->
+  <script defer src="https://umami.alexandre-vazquez.cloud/script.js" data-website-id="043e327b-723e-4efd-9ac9-46589219c706"></script>
 </head>
 <body>
   <header>
diff --git a/frontend/public/xpath-tester/index.html b/frontend/public/xpath-tester/index.html
index 25dd7138..df5021ef 100644
--- a/frontend/public/xpath-tester/index.html
+++ b/frontend/public/xpath-tester/index.html
@@ -197,6 +197,9 @@
     .ea-slot .ethical-ad { max-width: 100%; }
   </style>
   <script async src="https://media.ethicalads.io/media/client/ethicalads.min.js"></script>
+  <!-- Umami: self-hosted, cookieless. The landing pages had no analytics at
+       all, so their traffic was invisible outside Search Console. -->
+  <script defer src="https://umami.alexandre-vazquez.cloud/script.js" data-website-id="043e327b-723e-4efd-9ac9-46589219c706"></script>
 </head>
 <body>
   <header>
diff --git a/frontend/public/xslt-2-0/index.html b/frontend/public/xslt-2-0/index.html
index ec589cbd..094c0e35 100644
--- a/frontend/public/xslt-2-0/index.html
+++ b/frontend/public/xslt-2-0/index.html
@@ -163,6 +163,9 @@
     .ea-slot .ethical-ad { max-width: 100%; }
   </style>
   <script async src="https://media.ethicalads.io/media/client/ethicalads.min.js"></script>
+  <!-- Umami: self-hosted, cookieless. The landing pages had no analytics at
+       all, so their traffic was invisible outside Search Console. -->
+  <script defer src="https://umami.alexandre-vazquez.cloud/script.js" data-website-id="043e327b-723e-4efd-9ac9-46589219c706"></script>
 </head>
 <body>
   <header>
diff --git a/frontend/public/xslt-3-0/index.html b/frontend/public/xslt-3-0/index.html
index 6b5e730c..26f2f817 100644
--- a/frontend/public/xslt-3-0/index.html
+++ b/frontend/public/xslt-3-0/index.html
@@ -183,6 +183,9 @@
     .ea-slot .ethical-ad { max-width: 100%; }
   </style>
   <script async src="https://media.ethicalads.io/media/client/ethicalads.min.js"></script>
+  <!-- Umami: self-hosted, cookieless. The landing pages had no analytics at
+       all, so their traffic was invisible outside Search Console. -->
+  <script defer src="https://umami.alexandre-vazquez.cloud/script.js" data-website-id="043e327b-723e-4efd-9ac9-46589219c706"></script>
 </head>
 <body>
   <header>
