Calendly is an app for scheduling appointments, meetings, and events.
Cloudflare Workers is a serverless execution environment that allows you to create entirely new applications or augment existing ones without configuring or maintaining infrastructure.
Cloudflare is a web-infrastructure and website-security company, providing content-delivery-network services, DDoS mitigation, Internet security, and distributed domain-name-server services.
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.