If a website is using nginx, you will see ‘Welcome to nginx!‘ when you try to access port 80.
Welcome to nginx!
If you see this page, the nginx web server is successfully installed and working. Further configuration is required.
For online documentation and support please refer to nginx.org.
Commercial support is available at nginx.com.
Thank you for using nginx.
When this page hits the index of Search Engines, I will see how fast hackers will do port scanning to look for vulnerabilities.