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

Authentication
Secure customer information using the same user authentication system used by Amazon com reducing registration friction

Font scripts
Making the web more beautiful fast and open through great typography

Tag managers
Google Tag Manager helps make website tag management simple with tools solutions that allow small businesses to deploy and edit tags all in one place

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

Analytics

JavaScript frameworks
React is the library for web and native user interfaces Build user interfaces out of individual pieces called components written in JavaScript React is designed to let you seamlessly combine components written by independent people teams and organizations

Reviews
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Ecommerce
The World Wide Web Consortium W3C develops standards and guidelines to help everyone build a web based on the principles of accessibility internationalization privacy and security