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Editorial verdict · Who it’s wrong for

Who shouldn’t buy Datadog RUM?

A direct read on the buyers Datadog RUM is the wrong fit for — sourced from the same editorial team that ranked the full Real User Monitoring (RUM) Software category.

Worst for

Standalone RUM buyers not on the Datadog platform, cost-sensitive teams (New Relic Browser bundled is cheaper), or perf-engineering teams wanting Core Web Vitals waterfall depth (SpeedCurve better).

For context: who it IS for

Mid-market and enterprise teams (200-10,000 employees) already on Datadog observability who want RUM in the same pane as APM, logs, and synthetics.

Target size: 200–100,000+ · Enterprise observability buyers already on Datadog

Why we say this

Editorial pulled these weaknesses from Datadog RUM’s product card in our Top 10 Real User Monitoring (RUM) Software for 2026:

  • ! Session-attribute cardinality drives bill-shock similar to Datadog Custom Metrics
  • ! Priced separately per session and per replay minute on top of APM bill
  • ! EU cookie-consent configuration is buyer responsibility; default capture is broad

If Datadog RUM is wrong for you, consider these instead

Same Real User Monitoring (RUM) Software category, different best-fit buyer.

Related editorial

Last updated 2026-05-23. Editorial verdict based on the published Top 10 Real User Monitoring (RUM) Software for 2026 ranking. Disagree? Tell us.