diff --git a/_templates/layout.html b/_templates/layout.html
new file mode 100644
index 0000000..182f986
--- /dev/null
+++ b/_templates/layout.html
@@ -0,0 +1,6 @@
+{%- extends "!layout.html" %}
+
+{%- block extrahead %}
+{{ super() }}
+<script defer data-domain="cutter.ncag.info" src="https://plausible.io/js/script.js"></script>
+{%- endblock extrahead %}
diff --git a/conf.py b/conf.py
index 10fe7dd..e2ea7c0 100644
--- a/conf.py
+++ b/conf.py
@@ -67,7 +67,7 @@
 # The theme to use for HTML and HTML Help pages.  See the documentation for
 # a list of builtin themes.
 #
-html_theme = "furo"
+html_theme = "sphinx_book_theme"
 html_logo = "logo.png"
 html_favicon = "favicon.ico"