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

Font scripts
The internet s icon library toolkit Used by millions of designers devs content creators Open source Always free Always awesome

Advertising
TrafficStars provides top notch monetization and media buying solutions for advertisers and publishers Join TrafficStars to get high quality traffic or monetize your website at the best rates Sign up now for free

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