The New RUM Experience, which brings RUM to Grail, introduces numerous built-in metrics with the prefix dt.frontend. Because it uses a different data model than RUM Classic, there are no direct equivalents for RUM Classic metrics, which use the prefix builtin:apps. However, many metrics have replacements that serve an analogous purpose, as shown in the table below. Note that metrics with the prefix builtin:apps that do not appear in the table have no replacement.
Differences in metric values between the builtin:apps metrics and their replacements are expected and result from underlying data model changes.
RUM Classic metric
Replacement in the New RUM Experience
builtin:apps.web.actionCount.*
builtin:apps.other.uaCount.*
dt.frontend.user_action.count
builtin:apps.web.actionDuration.*
builtin:apps.other.uaDuration.*
dt.frontend.user_action.duration
builtin:apps.other.crashCount.*
builtin:apps.web.countOfErrors*
builtin:apps.web.jsErrors*
builtin:apps.other.requestErrorCount.*
builtin:apps.web.countOfStandaloneErrors
builtin:apps.mobile.reportedErrorCount
dt.frontend.error.count
builtin:apps.other.requestErrorRate.*
dt.frontend.error.count
dt.frontend.request.count
builtin:apps.web.cumulativeLayoutShift.load.*
dt.frontend.web.page.cumulative_layout_shift
builtin:apps.web.domInteractive.load.*
dt.frontend.web.navigation.dom_interactive
builtin:apps.web.firstInputDelay.load.*
dt.frontend.web.page.first_input_delay
builtin:apps.web.interactionToNextPaint
dt.frontend.web.page.interaction_to_next_paint
builtin:apps.web.largestContentfulPaint.load.*
dt.frontend.web.page.largest_contentful_paint
builtin:apps.web.loadEventEnd.*
dt.frontend.web.navigation.load_event_end
builtin:apps.other.requestCount.*
dt.frontend.request.count
builtin:apps.other.requestTimes.*
dt.frontend.request.duration
builtin:apps.web.activeSessions
builtin:apps.mobile.sessionCount
builtin:apps.other.sessionCount.*
dt.frontend.session.active.estimated_count
builtin:apps.web.firstByte.load.*
dt.frontend.web.navigation.time_to_first_byte
builtin:apps.other.userCount.*
builtin:apps.web.activeUsersEst
dt.frontend.user.active.estimated_count