Error Tracking Tools

1. Sentry runs on more than half of the sites using an error tracking tool (97%), 49 times as many sites as Datadog.
2. Only 3 of the 34 error tracking tools we track run on more than 1% of these sites.
3. Among sites launched in September, GlitchTip rose to #9 from #11 in August.

#	Movement	Tool	Country	Share	Bar	Sites	90 days
1	–	Sentry Application error tracking and performance monitoring for frontend and backend code.		97%		278,755
2	–	Datadog Cloud monitoring, log aggregation, APM, and RUM platform for production infrastructure.		2.0%		5,738
3	–	Rollbar Real-time error monitoring and debugging platform.		1.3%		3,887
4	–	Bugsnag Error monitoring and stability platform from SmartBear (now part of Insight Hub).		0.9%		2,586
5	▼1	LogRocket Session replay, error tracking, and product analytics platform.		0.2%		541
6	▲1	Infomaniak Sentry Hosting Sentry error monitoring hosted in Switzerland by Infomaniak.		0.2%		493
7	▼1	Raygun Application performance monitoring and error tracking platform.		<0.1%		216
8	▲1	Elastic APM Real user monitoring agent from Elastic Observability for browser performance and errors.		<0.1%		214
9	–	TrackJS		<0.1%		90
10	▲2	GlitchTip Open-source error tracking platform, Sentry-compatible.		<0.1%		87

Share is of the 288,208 sites using an error tracking tool; a site can use more than one. Arrows compare each tool's rank among sites launched in September with August. The line is its share of new sites over 90 days. Showing the top 10 of 34.

Watches, exports and the API give you every error tracking tool and the sites using each, from £15 a month.

Other kinds of tool most often found on the same sites, leaving out the plumbing every site has (DNS, CDN, hosting).

• Framework 4,655
• Analytics 4,606
• CSS Framework 3,898
• Meta Framework 3,665
• Transactional Email 3,009
• UI Library 2,720