Monitoring & RUM in the UK: market share ranking

Error tracking and real-user monitoring.

#	Technology	United Kingdom	Global	Netherlands	Italy	Spain	Japan	Latin America
1	New Relic	3.5%	2.2%	1.5%	1.1%	1.7%	0.7%	1.6%
2	Sentry	1%	1.2%	1.3%	0.6%	0.9%	0.4%	0.9%
3	Bugsnag	0.5%	0.2%	0.3%	0.1%	0.3%	<0.1%	0.2%
4	Datadog RUM	0.4%	0.6%	0.3%	0.3%	0.4%	0.2%	1.2%
5	SpeedCurve LUX	0.3%	0.2%	0.2%	<0.1%	0.2%	<0.1%	<0.1%
6	Dynatrace	0.2%	0.5%	0.3%	0.7%	0.7%	<0.1%	0.6%
7	AppDynamics	0.1%	0.2%	<0.1%	<0.1%	<0.1%	<0.1%	<0.1%
8	Elastic APM RUM	<0.1%	<0.1%	<0.1%	0%	<0.1%	0%	<0.1%
9	Raygun	<0.1%	<0.1%	<0.1%	0%	0%	0%	<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 10K	Top 100K	Top 1M
1	New Relic	6.1%	7.6%	3.5%
2	Datadog RUM	3%	1.2%	0.4%
3	Sentry	1.5%	1%	1%
4	Bugsnag	1.5%	0.6%	0.5%
5	SpeedCurve LUX	0%	1.1%	0.3%
6	Dynatrace	0%	0.4%	0.2%
7	AppDynamics	0%	0.4%	0.1%
8	Elastic APM RUM	0%	0.2%	<0.1%
	Sites measured	66	931	11,909

Popular sites vs local business websites

Popular: sites of United Kingdom from the Tranco top million. Local business: websites of companies with 1–20 locations in the country, taken from a business places directory (platforms, marketplaces and aggregators excluded).

#	Technology	Popular sites	Local business	Difference, pp
	Any Monitoring & RUM	5.9%	12%	+6.1
1	Sentry	1%	12%	+10.6
2	New Relic	3.5%	0.2%	−3.3
3	Bugsnag	0.5%	<0.1%	−0.4
4	Datadog RUM	0.4%	<0.1%	−0.3
5	AppDynamics	0.1%	<0.1%	−0.1
6	SpeedCurve LUX	0.3%	<0.1%	−0.3
7	Dynatrace	0.2%	<0.1%	−0.2
8	Elastic APM RUM	<0.1%	0%	−0.1
	Sites measured	11,909	21,114

Our crawler: 11,909 sites · United Kingdom · updated 23 Oct 2026 · Methodology