diff --git a/swh/web/assets/config/webpack-plugins/generate-weblabels-webpack-plugin/index.js b/swh/web/assets/config/webpack-plugins/generate-weblabels-webpack-plugin/index.js
--- a/swh/web/assets/config/webpack-plugins/generate-weblabels-webpack-plugin/index.js
+++ b/swh/web/assets/config/webpack-plugins/generate-weblabels-webpack-plugin/index.js
@@ -191,10 +191,16 @@
             let parsedSpdxLicenses = this.parseSpdxLicenseExpression(scriptSrc['spdxLicenseExpression'],
                                                                      `file ${scriptSrc['path']}`);
             scriptSrcData['licenses'] = this.spdxToWebLabelsLicenses(parsedSpdxLicenses);
-            let licenseCopyUrl = this.copyLicenseFile(licenceFilePath);
-            scriptSrcData['licenses'].forEach(license => {
-              license['copy_url'] = licenseCopyUrl;
-            });
+            if (licenceFilePath.indexOf('://') === -1 && !licenceFilePath.startsWith('/')) {
+              let licenseCopyUrl = this.copyLicenseFile(licenceFilePath);
+              scriptSrcData['licenses'].forEach(license => {
+                license['copy_url'] = licenseCopyUrl;
+              });
+            } else {
+              scriptSrcData['licenses'].forEach(license => {
+                license['copy_url'] = licenceFilePath;
+              });
+            }
             if (scriptSrc['path'].indexOf('://') === -1 && !scriptSrc['path'].startsWith('/')) {
               scriptSrcData['src_url'] = stats.publicPath + path.join(this.weblabelsDirName, scriptSrc['id']);
             } else {
diff --git a/swh/web/assets/config/webpack.config.development.js b/swh/web/assets/config/webpack.config.development.js
--- a/swh/web/assets/config/webpack.config.development.js
+++ b/swh/web/assets/config/webpack.config.development.js
@@ -431,6 +431,14 @@
               'spdxLicenseExpression': 'AGPL-3.0-or-later',
               'licenseFilePath': './LICENSE'
             }
+          ],
+          'https://piwik.inria.fr/matomo.js': [
+            {
+              'id': 'matomo.js',
+              'path': 'https://github.com/matomo-org/matomo/blob/master/js/piwik.js',
+              'spdxLicenseExpression': 'BSD-3-Clause',
+              'licenseFilePath': 'https://github.com/matomo-org/matomo/blob/master/js/LICENSE.txt'
+            }
           ]
         }
       )
diff --git a/swh/web/common/utils.py b/swh/web/common/utils.py
--- a/swh/web/common/utils.py
+++ b/swh/web/common/utils.py
@@ -4,6 +4,7 @@
 # See top-level LICENSE file for more information
 
 from datetime import datetime, timezone
+import os
 import re
 from typing import Any, Dict, Optional
 
@@ -263,6 +264,7 @@
         "browsers_supported_image_mimes": browsers_supported_image_mimes,
         "keycloak": config["keycloak"],
         "site_base_url": request.build_absolute_uri("/"),
+        "DJANGO_SETTINGS_MODULE": os.environ["DJANGO_SETTINGS_MODULE"],
     }
 
 
diff --git a/swh/web/templates/layout.html b/swh/web/templates/layout.html
--- a/swh/web/templates/layout.html
+++ b/swh/web/templates/layout.html
@@ -64,6 +64,25 @@
     <link rel="search" type="application/opensearchdescription+xml" title="Software Heritage archive of public source code" href="{% static 'xml/swh-opensearch.xml' %}">
     <meta name="msapplication-TileImage" content="{% static 'img/icons/swh-logo-archive-270x270.png' %}" />
 
+    {% if "production" in DJANGO_SETTINGS_MODULE  %}
+
+      <!-- Matomo -->
+      <script type="text/javascript">
+        var _paq = window._paq = window._paq || [];
+        _paq.push(['trackPageView']);
+        _paq.push(['enableLinkTracking']);
+        (function() {
+          var u="https://piwik.inria.fr/";
+          _paq.push(['setTrackerUrl', u+'matomo.php']);
+          _paq.push(['setSiteId', '59']);
+          var d=document, g=d.createElement('script'), s=d.getElementsByTagName('script')[0];
+          g.type='text/javascript'; g.async=true; g.src=u+'matomo.js'; s.parentNode.insertBefore(g,s);
+        })();
+      </script>
+      <!-- End Matomo Code -->
+
+    {% endif %}
+
   </head>
 
   <body class="hold-transition layout-fixed sidebar-mini">