HTTP Strict Transport Security (HSTS) informs browsers that the site should only be accessed using HTTPS.
Open Graph is a protocol that is used to integrate any web page into the social graph.
OpenResty is a web platform based on nginx which can run Lua scripts using its LuaJIT engine.
PHP is a general-purpose scripting language used for web development.
Typed.js is a library that types. It is designed to create typewriter-style animations with ease.
Typekit is an online service which offers a subscription library of fonts.
UIKit is the framework used for developing iOS applications.