bad-http-prerender.html | Explore in Territory

<!DOCTYPE html>
<html>
<head>
<script type="speculationrules">
{
  "prerender":[
    {"source": "list",
     "urls": ["/echo?status=204"]}
  ]
}
</script>
<title>Prerender Test</title>
<!-- Make sure there is no zoom so that simulated clicks hit the right spot -->
<meta name="viewport" content="width=device-width,minimum-scale=1">
</head>
</html>

chromium/third_party/blink/web_tests/http/tests/inspector-protocol/prerender/resources/bad-http-prerender.html