HTTP Strict Transport Security (HSTS) informs browsers that the site should only be accessed using HTTPS.
Nginx is a web server that can also be used as a reverse proxy, load balancer, mail proxy and HTTP cache.
Plesk is a web hosting and server data centre automation software with a control panel developed for Linux and Windows-based retail hosting service providers.
Ruby on Rails is a server-side web application framework written in Ruby under the MIT License.
Tailwind is a utility-first CSS framework.
Unpkg is a content delivery network for everything on npm.