diff --git a/component-model/book.toml b/component-model/book.toml
index 9543b92..d04f565 100644
--- a/component-model/book.toml
+++ b/component-model/book.toml
@@ -8,3 +8,4 @@ title = "The WebAssembly Component Model"
 [output.html]
 git-repository-url = "https://github.com/bytecodealliance/component-docs/tree/main/component-model"
 edit-url-template = "https://github.com/bytecodealliance/component-docs/tree/main/component-model/{path}"
+additional-css = ["theme/head.hbs"]
\ No newline at end of file
diff --git a/component-model/theme/head.hbs b/component-model/theme/head.hbs
new file mode 100644
index 0000000..14bb3d5
--- /dev/null
+++ b/component-model/theme/head.hbs
@@ -0,0 +1 @@
+<script defer data-domain="component-model.bytecodealliance.org" src="https://plausible.io/js/script.js"></script>
\ No newline at end of file