HTTP Strict Transport Security (HSTS) informs browsers that the site should only be accessed using HTTPS.
Instant.Page is a JavaScript library which uses just-in-time preloading technique to make websites faster.
jQuery is a JavaScript library which is a free, open-source software designed to simplify HTML DOM tree traversal and manipulation, as well as event handling, CSS animation, and Ajax.
Nginx is a web server that can also be used as a reverse proxy, load balancer, mail proxy and HTTP cache.
Prism is an extensible syntax highlighter.
Umami is a self-hosted web analytics solution. It's goal is to provide a friendlier, privacy-focused alternative to Google Analytics and a free, open-sourced alternative to paid solutions.