You have HTTP/1.1 on your port 80 and HTTP/2 on your port 443. If you have curl with http2 support enabled then you could easilly check it: === curl -I -L --http2 http://www.onestopmarketing.club -s | egrep -i "^HTTP|^location|^[[:space:]]" HTTP/1.1 301 Moved Permanently Location: https://www.onestopmarketing.club/ HTTP/2.0 302 location:https://www.onestopmarketing.club/auth/by fedor.dikarev - Nginx Mailing List - English