Monitoring & RUM market share on brand websites

Error tracking and real-user monitoring.

#	Technology	UK brands	United Kingdom	Global
1	New Relic	4.9%	3.5%	2.2%
2	Sentry	2.3%	1%	1.2%
3	Dynatrace	1.3%	0.2%	0.5%
4	Bugsnag	1.3%	0.5%	0.2%
5	SpeedCurve LUX	1%	0.3%	0.2%
6	Datadog RUM	0.7%	0.4%	0.6%
7	AppDynamics	0.3%	0.1%	0.2%
8	Raygun	<0.1%	<0.1%	<0.1%
9	Elastic APM RUM	0%	<0.1%	<0.1%

By site popularity

Share of measured sites in each Tranco popularity band that use the technology: the top 1,000, 10,000 and 100,000 sites and the whole top million.

#	Technology	Top 1K	Top 10K	Top 100K	Top 1M
1	New Relic	5.3%	8.8%	7.8%	7.8%
2	Sentry	5.3%	2.9%	2.6%	2.2%
3	SpeedCurve LUX	0%	2.9%	2.4%	1.7%
4	Datadog RUM	2.6%	1.5%	1.4%	1.3%
5	Bugsnag	0%	1.5%	1.2%	1.2%
6	Dynatrace	0%	0%	1.8%	2%
7	AppDynamics	0%	0%	0.4%	0.4%
	Sites measured	38	136	503	689

Our crawler: 1,359 sites · UK brands · updated 23 Oct 2026 · Methodology