Sentry is the most widely adopted error-tracking and performance-monitoring platform for developers, capturing exceptions, stack traces, and performance data across front-end and back-end code — used by teams of virtually every size, from solo developers to large enterprises, largely because of its strong free tier and framework integrations. Our engine detects Sentry through 2 script patterns, 2 HTML patterns, and 1 CDN domain tied to its client SDK's error-capture initialization and asset delivery. Documented at sentry.io.
Paste any URL to instantly detect whether it was built with Sentry. Our engine checks 5 technical signals.
Sentry is used across many industries. These are the most common website types built on this platform:
Businesses of all sizes
Fast, reliable site building with professional results
Designers and developers
Powerful tools with minimal setup
Startups
Quick launch with scalable infrastructure
Content creators
Beautiful presentation for your work
Every Sentry website leaves distinctive technical fingerprints. Here's what to look for:
CDN Domains
Network requests to these domains are a reliable indicator:
sentry-cdn\.comJavaScript Patterns
2 script patterns linked to Sentry
HTML Attributes
2 HTML patterns in the page source
Explore how Sentry compares to similar monitoring tools: