Astro is a new JavaScript-based static site builder.
Cloudflare is a web-infrastructure and website-security company, providing content-delivery-network services, DDoS mitigation, Internet security, and distributed domain-name-server services.
microCMS is a Japan-based headless CMS that enables editors and developers to build delicate sites and apps.
Open Graph is a protocol that is used to integrate any web page into the social graph.