Privacy 2025

[max-ostapenko]

• Removed privacy_wording_links metric as unused for a long time
• Removed detection of common fingerprinting APIs because it mostly highlights usage in valid scenarios
• Added header check for iab_ddr to fix redirect cases

---

Test websites:

• https://booking.salamandra.sk/
• https://www.vfka-westfalen.de/

[github-actions]

https://almanac.httparchive.org/en/2022/

WPT result details

Changed custom metrics values:

{
  "_privacy": {
    "iab_tcf_v1": {
      "present": false
    },
    "iab_tcf_v2": {
      "present": false
    },
    "iab_gpp": {
      "present": false
    },
    "iab_usp": {
      "present": false
    },
    "navigator_doNotTrack": false,
    "navigator_globalPrivacyControl": true,
    "document_permissionsPolicy": false,
    "document_featurePolicy": true,
    "referrerPolicy": {
      "entire_document_policy": null,
      "individual_requests": null,
      "link_relations": null
    },
    "request_hostnames_with_cname": {},
    "ccpa_link": {
      "hasCCPALink": false
    },
    "iab_ddr": {
      "present": false,
      "status": 404
    }
  }
}

https://booking.salamandra.sk

WPT result details

Changed custom metrics values:

{
  "_privacy": {
    "iab_tcf_v1": {
      "present": false
    },
    "iab_tcf_v2": {
      "present": false
    },
    "iab_gpp": {
      "present": false
    },
    "iab_usp": {
      "present": false
    },
    "navigator_doNotTrack": false,
    "navigator_globalPrivacyControl": true,
    "document_permissionsPolicy": false,
    "document_featurePolicy": true,
    "referrerPolicy": {
      "entire_document_policy": null,
      "individual_requests": [
        {
          "tagName": "SCRIPT",
          "referrerpolicy": "no-referrer",
          "count": 1
        },
        {
          "tagName": "LINK",
          "referrerpolicy": "no-referrer",
          "count": 1
        }
      ],
      "link_relations": null
    },
    "request_hostnames_with_cname": {},
    "ccpa_link": {
      "hasCCPALink": false
    },
    "iab_ddr": {
      "present": false,
      "status": 200
    }
  }
}

https://www.vfka-westfalen.de

WPT result details

Changed custom metrics values:

{
  "_privacy": {
    "iab_tcf_v1": {
      "present": false
    },
    "iab_tcf_v2": {
      "present": false
    },
    "iab_gpp": {
      "present": false
    },
    "iab_usp": {
      "present": false
    },
    "navigator_doNotTrack": true,
    "navigator_globalPrivacyControl": false,
    "document_permissionsPolicy": false,
    "document_featurePolicy": false,
    "referrerPolicy": {
      "entire_document_policy": null,
      "individual_requests": null,
      "link_relations": {
        "A": 1
      }
    },
    "request_hostnames_with_cname": {},
    "ccpa_link": {
      "hasCCPALink": false
    },
    "iab_ddr": {
      "present": false,
      "status": 404
    }
  }
}