Real User Monitoring (RUM)

Collects performance and experience metrics from actual visitors' browsers via a lightweight beacon, giving field data on how the live site behaves rather than relying on synthetic tests.

grounded in: Commit 930828c 'self-improve: Preconnect the Cloudflare Insights report endpoint' — Cloudflare Insights is a beacon-based RUM/web-analytics endpoint used by the deployed site.