http header
NEL header
Limited availability
The HTTP NEL response header is used to configure network request logging.
| Header type | [Response header](https://developer.mozilla.org/en-US/docs/Glossary/Response%20header) |
|---|
Syntax
NEL: { "report_to": "name_of_reporting_group", "max_age": 12345, "include_subdomains": false, "success_fraction": 0.0, "failure_fraction": 1.0 }
Specifications
SpecificationsStandards references are available on the canonical MDN page.
Browser compatibility
Browser compatibilityCompatibility data is available on the canonical MDN page.