diff --git a/ipn/ipnstate/ipnstate.go b/ipn/ipnstate/ipnstate.go
index fee2ed924..1504b3b65 100644
--- a/ipn/ipnstate/ipnstate.go
+++ b/ipn/ipnstate/ipnstate.go
@@ -353,6 +353,7 @@ func (st *Status) WriteHTML(w io.Writer) {
 	f(`<!DOCTYPE html>
 <html lang="en">
 <head>
+<meta name="viewport" content="width=device-width,initial-scale=1">
 <title>Tailscale State</title>
 <style>
 body { font-family: monospace; }
