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NEL

NEL

Experimental: This is an experimental technology
Check the Browser compatibility table carefully before using this in production.

The HTTP NEL response header is used to configure network request logging.

Syntax

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