HTTP Strict Transport Security (HSTS) informs browsers that the site should only be accessed using HTTPS.
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.
Lodash is a JavaScript library which provides utility functions for common programming tasks using the functional programming paradigm.
OpenResty is a web platform based on nginx which can run Lua scripts using its LuaJIT engine.
Prism is an extensible syntax highlighter.
React is an open-source JavaScript library for building user interfaces or UI components.