JavaScript librariesBrowser fingerprinting
FingerprintJS is a browser fingerprinting library that queries browser attributes and computes a hashed visitor identifier from them

Analytics
Baidu Analytics (u767eu5ea6u7edfu8ba1) is a free tool for tracking and reporting traffic data of users visiting your site

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