fastmon RUM

6.6easy start · #18 of 27
in Real User Monitoring

Free to practise onnot on record
Free trialyes
Well documentedyes
Runs where you worknot on record

Runs on api, Web. Paid plans from €29/mo.

fastmon RUM is ranked #18 of 27 in real user monitoring on The Geeks Club. It runs on API, Web. There is no free plan. A free trial is offered. Paid plans start at €29/mo.

fastmon RUM plans and pricing

All plans

Light €29/mo €29/month; prices per month, excluding VAT 200,000 pageviews included · €10 per extra 200k · one prod and one dev application fastmon.eu · 4 Oct 2026

Standard €99/mo €99/month; prices per month, excluding VAT 1 million pageviews included · €50 per extra 1M · one prod and one dev application · at least 60-day full retention · 13-month statistics fastmon.eu · 4 Oct 2026

Enterprise Not published Custom Custom pageview volume and retention · priority support with a named contact · guided onboarding · signed DPA and security review fastmon.eu · 4 Oct 2026

Compared on real user monitoring

Free plan: No
Core Web Vitals: Yes
Interaction tracking: Yes
Geographic breakdown: Yes
Error correlation: Yes
Data retention: 90+ days
Pricing metric: pageviews

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The record

Purpose: fastmon measures store load time and web performance using data from real customers’ devices and networks.
Analytics: Web analytics includes visitors, sources, campaigns and UTM attribution alongside performance data.
Synthetic monitoring: Synthetic Monitoring is labeled beta and includes Lighthouse audits every 24 hours and TTFB checks about every five minutes.
Alerts: Threshold or percentage-change alerts can be sent by email, Slack, Discord or webhook.
Integrations: The site names Shopware and Shopify integrations, and says the script can also be used on WordPress, Magento, TYPO3, Webflow, Next.js, React and other websites that accept a script tag.
API: The REST API provides analytics queries and endpoints for errors, visitors, Server-Timing and releases, with Bearer-token authentication and an OpenAPI schema.
Privacy: In Minimal and Standard modes, fastmon says it sets no cookie and stores nothing on the visitor’s device; Full mode writes an identifier and requires consent under its stated assessment.
Data handling: The maker says IP address and User-Agent are removed at the edge before application code sees them, and location is reduced to country.
Hosting: The maker says customer and monitoring data are processed in the EU and stored in Germany on Hetzner infrastructure, with no US provider in the data path.
Retention limit: The privacy page states 90 days default retention and up to 13 months on Enterprise; the plans page lists at least 60-day full retention and 13-month statistics for Standard.
Support: Product support by email is included on every plan, while debugging and performance optimization are offered as consulting.
Trial: The maker offers 30 days of full access without a credit card and says billing starts only after the user chooses a plan.
Audience: The maker describes Light as intended for small shops seeking monitoring and Enterprise as intended for high-traffic teams with custom needs.
Headquarters: Hannover, Germany
Price from: €29/mo

Where it ranks on The Geeks Club

Best Real User Monitoring in 2026#18 of 27

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Sources

fastmon.eu· checked 4 Oct 2026
fastmon.eu/en/features/· checked 4 Oct 2026
fastmon.eu/en/eu/· checked 4 Oct 2026
fastmon.eu/en/plans/· checked 4 Oct 2026