Google Analytics is a free web analytics service that tracks and reports website traffic.
Nginx is a web server that can also be used as a reverse proxy, load balancer, mail proxy and HTTP cache.
PHP is a general-purpose scripting language used for web development.
A modest JavaScript framework for the HTML you already have.
TrafficStars is a self-served ad network and ad exchange that operates mainly in adult-related verticals.
Ubuntu is a free and open-source operating system on Linux for the enterprise server, desktop, cloud, and IoT.