Observability

Test and debug your Worker projects.

• Local development and testing: Test your Worker in local development.
• Errors and exceptions: Review Workers errors and exceptions.
• Log from Workers: Debug your Worker application by accessing logs and exceptions through the Cloudflare dashboard or wrangler tail.
• Logpush: Send Workers Trace Event Logs to a supported third party, such as a storage or logging provider.
• Metrics and analytics: Diagnose issues with Workers metrics, and review request data for a zone with Workers analytics.
• Sentry integration (beta): Connect to a Sentry project from your Worker to automatically send errors and uncaught exceptions to Sentry.
• Tail Workers: Track and log Workers on invocation by assigning a Tail Worker to your projects.