JavaScript libraries
Touch enabled jQuery plugin that lets you create beautiful responsive carousel slider

Authentication
Documentation for developers on how to log users into your app or website with Facebook Login

Live chat
Engage audiences accelerate sales and drive better customer support outcomes on the platform with more than 2 billion users around the world Learn more

JavaScript libraries
slick is a responsive carousel jQuery plugin that supports multiple breakpoints CSS3 transitions touch events swiping much more

CDN

Ecommerce
Schema org is a set of extensible schemas that enables webmasters to embed n structured data on their web pages for use by search engines and other applications