Blogger is a blog-publishing service that allows multi-user blogs with time-stamped entries.
HTTP Strict Transport Security (HSTS) informs browsers that the site should only be accessed using HTTPS.
Mint is an extensible, self-hosted web site analytics program.
Nginx is a web server that can also be used as a reverse proxy, load balancer, mail proxy and HTTP cache.
YouTube is a video sharing service where users can create their own profile, upload videos, watch, like and comment on other videos.