EX.CO (formerly Playbuzz) is an online publishing platform for publishers, brand agencies, and individual content creators to create content in interactive formats such as polls, quizzes, lists, video snippets, slideshows, and countdowns.
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.
Nginx is a web server that can also be used as a reverse proxy, load balancer, mail proxy and HTTP cache.