Docs » Splunk RUM metrics reference

Splunk RUM metrics reference 🔗

The following tables list all of the metrics available in Splunk RUM. All errors in Splunk RUM have the dimension sf_error=true.

Custom event metrics 🔗

Metrics for custom events are applicable to both browser and mobile.

Metric

Name

Custom event requests/errors

rum.workflow.count

Custom event latency

rum.workflow.time.ns.p75

Browser metrics 🔗

The following metrics are available for browser:

Metric

Name

LCP

rum.webvitals_lcp.time.ns.p75

CLS

rum.webvitals_cls.score.p75

FID

rum.webvitals_fid.time.ns.p75

Page views

rum.page_view.count

Page load latency

rum.page_view.time.ns.p75

JavaScript errors

rum.client_error.count

Long task count

rum.long_task.count

Long task length

rum.long_task.time.ns.p75

AJAX and back-end requests/errors

rum.resource_request.count

AJAX and back-end latency

rum.resource_request.time.ns.p75

TTFB

rum.resource_request.ttfb.time.ns.p75

Mobile metrics 🔗

The following metrics are available for mobile:

Metric

Name

Mobile crash

rum.crash.count

App error

rum.app_error.count

Cold start

rum.cold_start.time.ns.p75

Cold start count

rum.cold_start.count

Warm start count

rum.warm_start.count

Warm start time

rum.warm_start.time.ns.p75

Hot start count

rum.hot_start.count

Hot start time

rum.hot_start.time.ns.p75

Network or back-end requests/errors

rum.resource_request.count

Network back-end latency

rum.resource_request.time.ns.p75

Learn more 🔗

To learn how to set alerts on metrics in Splunk RUM, or about metrics in Splunk Observability Cloud, see: