diff --git a/app/config/sculpin_site.yml b/app/config/sculpin_site.yml
index f0944111..c7f01f1c 100644
--- a/app/config/sculpin_site.yml
+++ b/app/config/sculpin_site.yml
@@ -14,6 +14,9 @@ email: oliver@oliverdavies.uk
 experience:
   start_year: 2007
 
+fathom:
+    id: ~
+
 github:
     gist:
         url: 'https://gist.github.com/%github.name%'
diff --git a/app/config/sculpin_site_prod.yml b/app/config/sculpin_site_prod.yml
index 6897232c..f35482c8 100644
--- a/app/config/sculpin_site_prod.yml
+++ b/app/config/sculpin_site_prod.yml
@@ -2,6 +2,9 @@
 imports:
     - sculpin_site.yml
 
+fathom:
+    id: NYZEZAKS
+
 plausible:
     domain: 'oliverdavies.uk'
 
diff --git a/source/_layouts/app.html.twig b/source/_layouts/app.html.twig
index d2db5e69..47f72c65 100644
--- a/source/_layouts/app.html.twig
+++ b/source/_layouts/app.html.twig
@@ -7,6 +7,8 @@
 
         {% include 'meta' with { page, site } only %}
 
+        <script src="https://cdn.usefathom.com/script.js" data-site="{{ site.fathom.id }}" defer></script>
+
         {% include 'plausible' with {
             plausible: site.plausible,
         } only %}