Widgets
Pinterest is an image sharing and social media service designed to enable saving and discovery of information

JavaScript libraries
jQuery The Write Less Do More JavaScript Library

JavaScript libraries
Robust JavaScript UI Component Library

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

UI frameworks
Powerful extensible and feature packed frontend toolkit Build and customize with Sass utilize prebuilt grid system and components and bring projects to life with powerful JavaScript plugins

CDN

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