diff --git a/sites/marketing/public/_redirects b/sites/marketing/public/_redirects
new file mode 100644
index 00000000..46c813ab
--- /dev/null
+++ b/sites/marketing/public/_redirects
@@ -0,0 +1,5 @@
+# The in-browser demo was pulled (on-device latency was too slow for a good
+# first impression). Send any lingering /demo links home. Note: edge-cached
+# copies need a Cloudflare cache purge to clear immediately.
+/demo/*  /  301
+/demo  /  301