ArcGIS API for JavaScript is a tool used to embed maps and tasks in web applications.
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.
Sentry is an open-source platform for workflow productivity, aggregating errors from across the stack in real time.