diff --git a/docs/embed-test.html b/docs/embed-test.html
new file mode 100644
index 0000000..cfaf273
--- /dev/null
+++ b/docs/embed-test.html
@@ -0,0 +1,9 @@
+<html>
+<body>
+
+<h2>Subdomain Embed Test</h2></h2></h2></h2>
+
+<iframe style="width: 100%; height: 500px" src="https://dev.replayweb.page/?source=./examples/netpreserve-twitter.warc"></iframe>
+
+</body>
+</html>