Cloudflare Browser Insights is a tool that measures the performance of websites from the perspective of users.
Cloudflare is a web-infrastructure and website-security company, providing content-delivery-network services, DDoS mitigation, Internet security, and distributed domain-name-server services.
Gatsby is a React-based open-source framework with performance, scalability and security built-in.
Netlify providers hosting and server-less backend services for web applications and static websites.
React is an open-source JavaScript library for building user interfaces or UI components.