Most popular variants of the header value (we only show this when there's just a bunch of variants):

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.

Reference...

We have seen 70 websites setting the NEL HTTP header and 12 unique values of this header.

  • cdn.shopify.com {"report_to":"network-errors","max_age":0}
  • webcookies.org {"report_to": "nel", "max_age": 10886400}
  • www.investopedia.com {"report_to":"network-errors","max_age":2592000,"success_fraction":0,"failure_fraction":1.0, "include_subdomains": true}
  • chaturbate.com {"report_to":"default","max_age":2592000,"include_subdomains":true}
  • scotthelme.report-uri.com {"report_to":"default","max_age":3600,"include_subdomains":true,"failure_fraction":0.00001}
  • qaportal.catchpoint.com {"report_to":"network-errors","max_age":2592000,"success_fraction":0,"failure_fraction":1.0,"include_subdomains":true}
  • cpqa.catchpoint.com {"report_to":"network-errors","max_age":2592000,"success_fraction":0,"failure_fraction":1.0, "include_subdomains": true}
  • natwestpersonal.report-uri.com {"report_to":"default","max_age":3600,"include_subdomains":true,"failure_fraction":0.00001}
  • cdn.report-uri.com {"report_to":"default","max_age":3600,"include_subdomains":true,"failure_fraction":0.00001}
  • www.factuursturen.be {"report_to":"default","max_age":2592000,"include_subdomains":true,"failure_fraction":1.0}
  • alternativehosting.ca {"report_to":"default","max_age":31536000,"include_subdomains":true}
  • indestructibleshoes.com {"report_to":"network-errors","max_age":2592000,"failure_fraction":0.01,"success_fraction":0.0001}
  • satyaty.sk {"report_to":"network-errors","max_age":2592000,"failure_fraction":0.01,"success_fraction":0.0001}
  • baby-lar.com {"report_to":"network-errors","max_age":2592000,"failure_fraction":0.01,"success_fraction":0.0001}
  • www.baby-lar.com {"report_to":"network-errors","max_age":2592000,"failure_fraction":0.01,"success_fraction":0.0001}
  • eletroplanet.com {"report_to":"network-errors","max_age":2592000,"failure_fraction":0.01,"success_fraction":0.0001}
  • www.farandal.it {"report_to":"network-errors","max_age":2592000,"failure_fraction":0.01,"success_fraction":0.0001}
  • www.lacblanc.com {"report_to":"network-errors","max_age":2592000,"failure_fraction":0.01,"success_fraction":0.0001}
  • jopofabolt.hu {"report_to":"network-errors","max_age":2592000,"failure_fraction":0.01,"success_fraction":0.0001}
  • buygifts24.com {"report_to":"network-errors","max_age":2592000,"failure_fraction":0.01,"success_fraction":0.0001}
  • www.patriotmobile.com {"report_to":"network-errors","max_age":2592000,"failure_fraction":0.01,"success_fraction":0.0001}
  • topologie.com {"report_to":"network-errors","max_age":2592000,"failure_fraction":0.01,"success_fraction":0.0001}
  • zolotissimo.com {"report_to":"network-errors","max_age":2592000,"failure_fraction":0.01,"success_fraction":0.0001}
  • www.talismanworld.com {"report_to":"network-errors","max_age":2592000,"failure_fraction":0.01,"success_fraction":0.0001}
  • shop.futurebit.io {"report_to":"network-errors","max_age":2592000,"failure_fraction":0.01,"success_fraction":0.0001}
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