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DevOps & Automation · Intermediate

Real User Monitoring (RUM)

Collecting performance and error data from actual users' browsers or devices as they interact with an application.

Definition

RUM captures page load times, front-end errors, and user journeys segmented by geography, device, and browser. It shows real-world experience but only when users are active.

Example

RUM data reveals that mobile users in one region see 6-second page loads.

Exam tip

RUM is passive and needs real traffic; pair it with synthetic checks for full coverage.

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