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NEL HTTP headerMost popular variants of the header value (we only show this when there's just a bunch of variants):
{"report_to": "network-errors", "max_age": 315360…
{"report_to":"default","max_age":2592000,"include…
{"report_to":"default","max_age":2592000,"include…
{"report_to":"default","max_age": 604800,"include…
{"report_to":"network-errors","max_age":604800,"s…
{"report_to":"network-errors","max_age":0}
{"report_to":"default","max_age":600,"include_sub…
{"report_to":"telemetry","max_age":7776000,"inclu…
{ "report_to: "csp-violation", "max_age": 3153600…
{"report_to":"default","max_age":31536000,"includ…
{"report_to": "network-errors", "max_age": 1, "su…
{"report_to":"reporturi","max_age":31536000,"incl…
{"report_to":"default","max_age":10886400}
{"report_to":"network-errors","max_age":2592000,"…
{"report_to":"nel","max_age":604800,"success_frac…
{"failure_fraction":1,"include_subdomains":false,…
{"report_to":"network-errors","max_age":2592000,"…
{"report_to":"default","max_age":3600,"include_su…
{"report_to":"default","max_age":31536000,"includ…
{"max_age":600,"report_to":"default"}
{"report_to":"network-errors","max_age":2592000,"…
{"report_to":"network-errors","max_age":604800,"s…
{"report_to":"default","max_age":2592000,"include…
{"report_to": "network-errors", "max_age": 86400,…
{"report_to": "nel", "max_age": 10886400}
{"report_to": "network-errors", "max_age": 43200}
{"report_to":"network-errors","max_age":1296000,"…
{"report_to":"default","max_age":604800,"include_…
{"max_age": 1}
{"report_to":"default","max_age":360,"include_sub…
{"report_to":"network-errors","max_age":2592000,"…
{'report_to':'default','max_age': 86400,'include_…
{"report_to":"default","max_age":3600,"include_su…
{"report_to":"network-errors","max_age":2592000,"…
{\"report_to\":\"default\",\"max_age\":31536000,\…
{"report_to":"default","max_age":2592000,"include…
Network Error Logging (NEL) defines a mechanism enabling web applications to declare a reporting policy that can be used by an user agent to report network errors for a given origin.
We have seen 261 websites setting the
NEL HTTP header and 36 unique values of this header.
{"report_to":"default","max_age":600,"include_subdomains":true,"failure_fraction":0.01}
{"report_to":"default","max_age":2592000,"include_subdomains":true,"failure_fraction":0.01}
{"report_to":"network-errors","max_age":1296000,"success_fraction":0.00066,"failure_fraction":1,"include_subdomains":true}
{"report_to":"network-errors","max_age":604800,"success_fraction":0.001,"failure_fraction":1.0}
{"report_to":"network-errors","max_age":0}
{"report_to":"default","max_age":10886400}
{"report_to": "nel", "max_age": 10886400}
{"report_to":"default","max_age":31536000,"include_subdomains":true}
{"report_to":"network-errors","max_age":1296000,"success_fraction":0.00066,"failure_fraction":1,"include_subdomains":true}
{"report_to": "network-errors", "max_age": 86400, "success_fraction": 0.001, "failure_fraction": 0.1}
{"report_to":"default","max_age":2592000,"include_subdomains":true}
{"report_to":"telemetry","max_age":7776000,"include_subdomains":true,"failure_fraction":1.0}
{"report_to":"telemetry","max_age":7776000,"include_subdomains":true,"failure_fraction":1.0}
{"report_to":"telemetry","max_age":7776000,"include_subdomains":true,"failure_fraction":1.0}
{'report_to':'default','max_age': 86400,'include_subdomains':true,'failure_fraction':0.5}
{"report_to":"telemetry","max_age":7776000,"include_subdomains":true,"failure_fraction":1.0}
{"max_age":600,"report_to":"default"}
{"report_to":"default","max_age": 604800,"include_subdomains":true,"failure_fraction":0.01}
{"report_to": "network-errors", "max_age": 31536000, "success_fraction": 0.01}
{"report_to":"network-errors","max_age":2592000,"success_fraction":0,"failure_fraction":1.0, "include_subdomains": true}
{"report_to":"network-errors","max_age":1296000,"success_fraction":0.00066,"failure_fraction":1,"include_subdomains":true}
{"report_to":"default","max_age":2592000,"include_subdomains":true}
{"report_to":"default","max_age": 604800,"include_subdomains":true,"failure_fraction":0.01}
{"report_to":"default","max_age": 604800,"include_subdomains":true,"failure_fraction":0.01}
{"report_to":"default","max_age": 604800,"include_subdomains":true,"failure_fraction":0.01}