Courses / Frontend Security & Observability
7. Client-side metrics collection
Exposing and recording custom frontend metrics (counters, histograms) for dashboards and alerts.
JavaScript
Client-side metrics collection
Sending counters and histograms from the browser so dashboards and alerts can track real user behavior.
"I need to know how often users hit this feature and how long it takes, without slowing their page."
Client-side metrics collection is the practice of instrumenting frontend code to emit lightweight measurements (counters, timers, histograms) to a telemetry backend for dashboards and alerting. It batches and samples data in the browser to avoid harming performance and privacy.
"I need to know how often users hit this feature and how long it takes, without slowing their page."
Client-side metrics collection is the practice of instrumenting frontend code to emit lightweight measurements (counters, timers, histograms) to a telemetry backend for dashboards and alerting. It batches and samples data in the browser to avoid harming performance and privacy.