Cloudflare is a web-infrastructure and website-security company, providing content-delivery-network services, DDoS mitigation, Internet security, and distributed domain-name-server services.
Contentsquare is an enterprise-level UX optimisation platform.
Hotjar is a suite of analytic tools to assist in the gathering of qualitative data, providing feedback through tools such as heatmaps, session recordings, and surveys.
HTTP Strict Transport Security (HSTS) informs browsers that the site should only be accessed using HTTPS.
HTTP/3 is the third major version of the Hypertext Transfer Protocol used to exchange information on the World Wide Web.
Open Graph is a protocol that is used to integrate any web page into the social graph.