| def main(request, response): | |
| response.headers.set(b"Cache-Control", b"no-cache") | |
| response.headers.set(b"Content-Type", b"text/html") | |
| value = request.headers.get(b"Service-Worker-Navigation-Preload", b"NoPreload").decode("utf-8") | |
| return "<html><body><div>test</div><script>window.value = '" + value + "';</script></body></html>" |