Amazon S3 or Amazon Simple Storage Service is a service offered by Amazon Web Services (AWS) that provides object storage through a web service interface.
Cloud CDN uses Google's global edge network to serve content closer to users.
HTTP Strict Transport Security (HSTS) informs browsers that the site should only be accessed using HTTPS.
MyFonts is a digital fonts distributor, based in Woburn, Massachusetts.
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.
Optimizely is an experimentation platform that helps developers build and run A/B tests on websites.
Priority Hints exposes a mechanism for developers to signal a relative priority for browsers to consider when fetching resources.