Reporting API
The Reporting-Endpoints HTTP header and ReportingObserver() API send reports of Content Security Policy (CSP) violations, Permissions-Policy violations, deprecated feature usage, browser interventions, and crashes to a nominated URL or callback function.
Status
Baseline Newly Available (since 2026-03-24)
This feature is expected to reach Baseline Widely Available status on: 2028-09-24
MDN documentation
Specifications
- Reporting API, from Web Performance Working Group (W3C).
- Intervention Reporting, from Web Platform Incubator Community Group (W3C).
- Deprecation Reporting, from Web Platform Incubator Community Group (W3C).
- Content Security Policy Level 3 (#reporting), from Web Application Security Working Group (W3C).
Browser support
- Chrome 96 Released on 2021-11-15
- Chrome Android 96 Released on 2021-11-15
- Edge 96 Released on 2021-11-19
- Firefox 149 Released on 2026-03-24
- Firefox for Android 149 Released on 2026-03-24
- Safari 16.4 Released on 2023-03-27
- Safari on iOS 16.4 Released on 2023-03-27
Usage (according to Chrome Platform Status)
~23.236% of page loads. More data at chromestatus.com.Web Platform Tests (WPT)
View the latest WPT test results for this featureView as JSON | Edit this feature | Report an issue | Web-features entry: source, dist