NEL
NEL
The HTTP NEL response header is used to configure network request logging.
| Header type | Response header |
|---|---|
| Forbidden header name | no |
Syntax
| Specification |
|---|
| Network Error Logging # nel-response-header |
NEL: { "report_to": "name_of_reporting_group", "max_age": 12345, "include_subdomains": false, "success_fraction": 0.0, "failure_fraction": 1.0 }
Browser compatibility
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | WebView Android | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | |
NEL |
71 |
79 |
No |
No |
58 |
No |
71 |
71 |
No |
50 |
No |
10.2 |
See also
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https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/NEL