10 Best Datadog RUM Alternatives for Founders [2026 Updated]

1. New Relic Browser

• Type: Paid
• URL: https://newrelic.com/platform/browser-monitoring
• Overview: New Relic Browser provides real user monitoring that tracks page load times, JavaScript errors, AJAX requests, and Core Web Vitals. It connects front-end performance data with backend traces inside the New Relic observability platform.

2. Sentry

• Type: Paid
• URL: https://sentry.io
• Overview: Sentry is an application monitoring platform that captures front-end errors, performance metrics, session replays, and Web Vitals from real users. It offers a free developer tier and supports a wide range of frameworks and languages.

3. Dynatrace Real User Monitoring

• Type: Paid
• URL: https://www.dynatrace.com/platform/real-user-monitoring/
• Overview: Dynatrace RUM captures every user session across web and mobile applications, delivering performance analytics and session replay. Its AI-driven engine helps teams identify root causes of slowdowns and errors automatically.

4. Catchpoint

• Type: Paid
• URL: https://www.catchpoint.com
• Overview: Catchpoint offers real user monitoring that captures page performance, Core Web Vitals, and user experience data from real browsers and devices. It pairs this with synthetic monitoring and internet performance monitoring to help teams pinpoint where slowdowns originate.

5. Splunk Real User Monitoring

• Type: Paid
• URL: https://www.splunk.com/en_us/products/real-user-monitoring.html
• Overview: Splunk RUM, part of Splunk Observability Cloud, monitors the end-user experience of web and mobile applications using full-fidelity data. It links front-end sessions to backend traces to speed up troubleshooting.

6. Raygun Real User Monitoring

• Type: Paid
• URL: https://raygun.com/platform/real-user-monitoring
• Overview: Raygun RUM tracks real user sessions, page performance, and Core Web Vitals, and ties them to error and crash reporting. It is aimed at small and mid-sized development teams that want a simpler, more affordable monitoring tool.

7. LogRocket

• Type: Paid
• URL: https://logrocket.com
• Overview: LogRocket records session replays and combines them with performance monitoring, error tracking, and network logs for web applications. It helps front-end teams see exactly what users experienced when problems occurred.

8. SpeedCurve

• Type: Paid
• URL: https://www.speedcurve.com
• Overview: SpeedCurve combines real user monitoring with synthetic testing to track web performance and Core Web Vitals. It provides dashboards and performance budgets that help teams keep sites fast over time.

9. Elastic Observability (User Experience / RUM)

• Type: Paid
• URL: https://www.elastic.co/observability/real-user-monitoring
• Overview: Elastic RUM uses a lightweight JavaScript agent to collect page load metrics, Core Web Vitals, and front-end errors from real users. The data is stored in Elasticsearch and analyzed in Kibana alongside logs and backend traces.

10. Instana (IBM)

• Type: Paid
• URL: https://www.ibm.com/products/instana
• Overview: IBM Instana is an observability platform that includes end-user monitoring for web and mobile applications. It traces user requests from the browser through backend services and provides automatic detection of performance issues.