Analytics
GoatCounter is an open source web analytics platform available as a hosted service (free for non-commercial use) or self-hosted app

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

Video players
Enjoy the videos and music that you love upload original content and share it all with friends family and the world on YouTube

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

N A