D3 based reusable chart library
Cloudways offers managed cloud-hosting services for WordPress sites on a cloud server where multiple copies of your content will be replicated throughout your chosen data center.
A multi-dimensional charting library built to work natively with crossfilter and rendered using d3.js
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.
reCAPTCHA is a free service from Google that helps protect websites from spam and abuse.
WordPress is a free and open-source content management system written in PHP and paired with a MySQL or MariaDB database. Features include a plugin architecture and a template system.