HTTP Strict Transport Security (HSTS) informs browsers that the site should only be accessed using HTTPS.
Jimdo is a website-builder and all-in-one hosting solution, designed to enable users to build their own websites.
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.
PushEngage is a browser push notification platform that helps content website managers engage visitors by automatically segmenting and sending web push messages.