Connectivitycheck Gstatic Generate 204 !exclusive! 【HD】

Do not block or alter responses to this endpoint in enterprise networks, as it degrades user experience on Android and Chromium devices without improving security. Appendix: Sample cURL Test

Or a minimal Python HTTP server:

curl -v -I http://connectivitycheck.gstatic.com/generate_204 2>&1 | grep "< HTTP" # Expected: < HTTP/1.1 204 No Content connectivitycheck gstatic generate 204