Analytics
Google Analytics gives you the tools you need to better understand your customers You can then use those business insights to take action such as improving your website creating tailored audience lists and more

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

Analytics
N A

JavaScript libraries
N A

Since 1983 developing the free Unix style operating system GNU so that computer users can have the freedom to share and improve the software they use