Google AdSense is a program run by Google through which website publishers serve advertisements that are targeted to the site content and audience.
Google PageSpeed is a family of tools designed to help websites performance optimisations.
HTTP Strict Transport Security (HSTS) informs browsers that the site should only be accessed using HTTPS.
Nginx is a web server that can also be used as a reverse proxy, load balancer, mail proxy and HTTP cache.
Open Graph is a protocol that is used to integrate any web page into the social graph.
Pinterest is an image sharing and social media service designed to enable saving and discovery of information.
YouTube is a video sharing service where users can create their own profile, upload videos, watch, like and comment on other videos.