Nel Attributes

{
  "key": "nel.elapsed_time",
  "brief": "The elapsed number of milliseconds between the start of the resource fetch and when it was completed or aborted by the user agent.",
  "type": "integer",
  "pii": {
    "key": "maybe"
  },
  "is_in_otel": false,
  "example": 100,
  "changelog": [
    {
      "version": "0.4.0",
      "prs": [
        228
      ]
    },
    {
      "version": "0.1.0",
      "prs": [
        68
      ]
    }
  ]
}

{
  "key": "nel.phase",
  "brief": "If request failed, the phase of its network error. If request succeeded, \"application\".",
  "type": "string",
  "pii": {
    "key": "maybe"
  },
  "is_in_otel": false,
  "example": "application",
  "changelog": [
    {
      "version": "0.1.0",
      "prs": [
        68,
        127
      ]
    }
  ]
}

{
  "key": "nel.referrer",
  "brief": "request's referrer, as determined by the referrer policy associated with its client.",
  "type": "string",
  "pii": {
    "key": "maybe"
  },
  "is_in_otel": false,
  "example": "https://example.com/foo?bar=baz",
  "changelog": [
    {
      "version": "0.1.0",
      "prs": [
        68,
        127
      ]
    }
  ]
}

{
  "key": "nel.sampling_function",
  "brief": "The sampling function used to determine if the request should be sampled.",
  "type": "double",
  "pii": {
    "key": "maybe"
  },
  "is_in_otel": false,
  "example": 0.5,
  "changelog": [
    {
      "version": "0.4.0",
      "prs": [
        228
      ]
    },
    {
      "version": "0.1.0",
      "prs": [
        68
      ]
    }
  ]
}

{
  "key": "nel.type",
  "brief": "If request failed, the type of its network error. If request succeeded, \"ok\".",
  "type": "string",
  "pii": {
    "key": "maybe"
  },
  "is_in_otel": false,
  "example": "dns.unreachable",
  "changelog": [
    {
      "version": "0.1.0",
      "prs": [
        68,
        127
      ]
    }
  ]
}