Google Hosted Libraries is a stable, reliable, high-speed, globally available content distribution network for the most popular, open-source JavaScript libraries.
HTTP Strict Transport Security (HSTS) informs browsers that the site should only be accessed using HTTPS.
Open Graph is a protocol that is used to integrate any web page into the social graph.
Snipcart is a shopping cart platform that can be integrated into any website with simple HTML and JavaScript.
UIKit is the framework used for developing iOS applications.