Cloudflare is a web-infrastructure and website-security company, providing content-delivery-network services, DDoS mitigation, Internet security, and distributed domain-name-server services.
Google Analytics is a free web analytics service that tracks and reports website traffic.
Netlify providers hosting and server-less backend services for web applications and static websites.
Next.js is a React framework for developing single page Javascript applications.
Nextra is Next.js based static site generator.
Open Graph is a protocol that is used to integrate any web page into the social graph.