coderef

Crash reportingLimited availability

Crash reporting sends a report to a URL nominated by the Reporting-Endpoints header when a user is unable to continue using the page because the browser or tab crashed.

Not yet supported in all major browsers — check the table and provide a fallback.

Browser support

DesktopChrome
1–95Not supported
96+Supportedsince Nov 15, 2021
Current: 155
Edge
12–95Not supported
96+Supportedsince Nov 19, 2021
Current: 154
Firefox
1–148Not supported
149+Supportedsince Mar 24, 2026
Current: 157
Safari
✕Not supportedup to 27
Current: 27
MobileChrome Android
18–95Not supported
96+Supportedsince Nov 15, 2021
Current: 155
Firefox Android
4–148Not supported
149+Supportedsince Mar 24, 2026
Current: 157
Safari iOS
✕Not supportedup to 27
Current: 27

How to use

Not supported in Safari, Safari iOS. Use feature detection below and provide a fallback (or a polyfill) for those browsers.

Example

Full syntax and examples are on MDN — see the links below.

Feature detection

There’s no simple runtime check for this feature; rely on the support table and test in your target browsers.