{
  "name": "top-domains-30-days",
  "agency": null,
  "sampling": [],
  "query": {
    "limit": "30",
    "metrics": [
      {
        "name": "sessions"
      }
    ],
    "orderBys": [
      {
        "desc": true,
        "metric": {
          "metricName": "sessions"
        }
      }
    ],
    "dateRanges": [
      {
        "startDate": "30daysAgo",
        "endDate": "yesterday"
      }
    ],
    "dimensions": [
      {
        "name": "hostName"
      }
    ],
    "dimensionFilter": {
      "andGroup": {
        "expressions": [
          {
            "notExpression": {
              "filter": {
                "fieldName": "hostName",
                "inListFilter": {
                  "values": [
                    "(other)",
                    "other",
                    "(not set)",
                    "null",
                    ""
                  ],
                  "caseSensitive": false
                }
              }
            }
          }
        ]
      }
    },
    "property": "properties/397708109",
    "ids": "397708109"
  },
  "meta": {
    "name": "Top Domains",
    "description": "Top 30 domains, measured by visits, for all sites."
  },
  "data": [
    {
      "domain": "tools.usps.com",
      "visits": "277961470"
    },
    {
      "domain": "pmc.ncbi.nlm.nih.gov",
      "visits": "117135400"
    },
    {
      "domain": "pubmed.ncbi.nlm.nih.gov",
      "visits": "114056120"
    },
    {
      "domain": "forecast.weather.gov",
      "visits": "54192655"
    },
    {
      "domain": "secure.login.gov",
      "visits": "52086596"
    },
    {
      "domain": "usps.com",
      "visits": "50512281"
    },
    {
      "domain": "earthquake.usgs.gov",
      "visits": "50480885"
    },
    {
      "domain": "ncbi.nlm.nih.gov",
      "visits": "48215024"
    },
    {
      "domain": "clinicaltrials.gov",
      "visits": "48175258"
    },
    {
      "domain": "informeddelivery.usps.com",
      "visits": "47175037"
    },
    {
      "domain": "pubchem.ncbi.nlm.nih.gov",
      "visits": "43367935"
    },
    {
      "domain": "irs.gov",
      "visits": "36224935"
    },
    {
      "domain": "va.gov",
      "visits": "32659804"
    },
    {
      "domain": "ssa.gov",
      "visits": "29258574"
    },
    {
      "domain": "studentaid.gov",
      "visits": "27410045"
    },
    {
      "domain": "weather.gov",
      "visits": "26102638"
    },
    {
      "domain": "cdc.gov",
      "visits": "22927667"
    },
    {
      "domain": "nhc.noaa.gov",
      "visits": "21246979"
    },
    {
      "domain": "secure.ssa.gov",
      "visits": "20828855"
    },
    {
      "domain": "usajobs.gov",
      "visits": "18437925"
    },
    {
      "domain": "radar.weather.gov",
      "visits": "17470472"
    },
    {
      "domain": "uscis.gov",
      "visits": "16924300"
    },
    {
      "domain": "nps.gov",
      "visits": "16693862"
    },
    {
      "domain": "medlineplus.gov",
      "visits": "15913622"
    },
    {
      "domain": "travel.state.gov",
      "visits": "15662261"
    },
    {
      "domain": "myaccount.uscis.gov",
      "visits": "14557072"
    },
    {
      "domain": "fda.gov",
      "visits": "14223916"
    },
    {
      "domain": "egov.uscis.gov",
      "visits": "14134978"
    },
    {
      "domain": "sec.gov",
      "visits": "13705065"
    },
    {
      "domain": "www.va.gov",
      "visits": "12713570"
    }
  ],
  "totals": {
    "visits": 1290455201
  },
  "taken_at": "2026-09-04T17:04:57.026Z"
}