Bluehost is a large web host known for its WordPress expertise, variety of “one-stop-shop” services, and bargain prices.
DoubleClick Ad Exchange is a real-time marketplace to buy and sell display advertising space.
Google AdSense is a program run by Google through which website publishers serve advertisements that are targeted to the site content and audience.
Nginx is a web server that can also be used as a reverse proxy, load balancer, mail proxy and HTTP cache.
WP Rocket is a caching and performance optimisation plugin to improve the loading speed of WordPress websites.