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

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

CDN
Cloudflare is a web-infrastructure and website-security company, providing content-delivery-network services, DDoS mitigation, Internet security, and distributed domain-name-server services

JavaScript frameworks
Vue js The Progressive JavaScript Framework

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