Security ~ Hide Underlaying Tech Information
Tools to detect the scripting or CMS used by a website:
Sources:
How do you determine what technology a website is built on?
How to hide?
http://nginx.org/en/docs/http/ngx_http_proxy_module.html#proxy_hide_header Remove PHP X-Powered-By & Nginx Server Details from HTTP Response Header | Andreas Pollak
Remove info about PageSpeed: PageSpeed Configuration - PageSpeed Module — Google Developers
javascript - Hide server-side technology information from the browser - Stack Overflow
How to hide Laravel from Wappalyzer plugin | Laravel-Tricks.com