Calendly is an app for scheduling appointments, meetings, and events.
Cloudflare Stream is a serverless live and on-demand video streaming platform.
Emotion is a library designed for writing CSS styles with JavaScript.
Facebook pixel is an analytics tool that allows you to measure the effectiveness of your advertising.
Google Analytics is a free web analytics service that tracks and reports website traffic.
HTTP Strict Transport Security (HSTS) informs browsers that the site should only be accessed using HTTPS.
Open Graph is a protocol that is used to integrate any web page into the social graph.