cdnjs is a free distributed JS library delivery service.
HTTP Strict Transport Security (HSTS) informs browsers that the site should only be accessed using HTTPS.
Imperva is a cyber security software and services company for networking, data, and application security.
Netlify providers hosting and server-less backend services for web applications and static websites.
Open Graph is a protocol that is used to integrate any web page into the social graph.
Sitecore Experience Edge is a product that optimises content delivery by utilising edge computing and caching technologies to enhance website performance and user experience.
Sitecore provides web content management, and multichannel marketing automation software.