Nginx is a web server that can also be used as a reverse proxy, load balancer, mail proxy and HTTP cache.

jQuery CDN is a way to include jQuery in your website without actually downloading and keeping it your website's folder.

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.

Varnish is a reverse caching proxy.

Amazon Web Services (AWS) is a comprehensive cloud services platform offering compute power, database storage, content delivery and other functionality.

Apache is a free and open-source cross-platform web server software.

PHP is a general-purpose scripting language used for web development.

OpenSSL is a software library for applications that secure communications over computer networks against eavesdropping or need to identify the party at the other end.

Amazon CloudFront is a fast content delivery network (CDN) service that securely delivers data, videos, applications, and APIs to customers globally with low latency, high transfer speeds.