JavaScript libraries
jQuery The Write Less Do More JavaScript Library

Geolocation
Lookup the location of any IP Address with ipdata s IP Geolocation API ipdata is fast accurate and is used by 20 000 developers

Analytics
Siteimprove is the go to software for data driven teams Optimize your content for everything from SEO and analytics to accessibility

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