What is Sentry?
MonitoringSentry is a monitoring or observability tool: Application monitoring and error tracking. Tech Stack Detector identifies Sentry on any website by analysing the HTML source.
Sentry is a monitoring or observability tool (Monitoring), detected on 1 website in our index. See websites using Sentry ↓
How Tech Stack Detector detects Sentry
Sentry is matched from these signals during a single, ordinary page request. Each one contributes to the confidence score shown on a scan.
- Html PatternSentry SDK initialization
Websites using Sentry
Recently scanned websites where we detected Sentry. Open one to see its full technology stack.
Often used with Sentry
Technologies most frequently detected alongside Sentry across scanned websites.
Alternatives to Sentry
Other Monitoring technologies Tech Stack Detector detects: popular alternatives and related tools, most-detected first.
Compare Sentry
Side-by-side comparisons of Sentry with other Monitoring technologies.
Popular technologies
The technologies most often detected across all websites scanned on Tech Stack Detector.
Frequently asked questions
What is Sentry?
Sentry is a monitoring or observability tool: Application monitoring and error tracking. Tech Stack Detector identifies Sentry on any website by analysing the HTML source. Its official website is https://sentry.io.
How can I tell if a website uses Sentry?
Enter any URL into Tech Stack Detector and it reports whether Sentry is present, with a confidence score and the exact evidence it matched. Detection is based on the HTML source. No login or crawling of the site is required.
How many websites use Sentry?
Sentry has been detected on 1 website in the public Tech Stack Detector scan index. This reflects sites that visitors have analysed here, not global market share.
What are some alternatives to Sentry?
Other Monitoring technologies Tech Stack Detector detects include New Relic, Pingdom, Datadog, Dynatrace, AppDynamics and LogRocket. You can compare any of them side by side with Sentry.
Data last updated October 20, 2026 · based on 618 recently scanned websites.