{
  "slug": "cover-your-tracks",
  "category": "online-privacy-tools",
  "name": "Cover Your Tracks",
  "description": "EFF tool, formerly Panopticlick, that tests how well a browser and its extensions block tracking and how unique the browser fingerprint is.",
  "website": "https://coveryourtracks.eff.org",
  "source": "https://github.com/EFForg/cover-your-tracks",
  "license": "AGPL-3.0",
  "platforms": [],
  "jurisdiction": {
    "code": "US",
    "name": "United States",
    "eyes": "Five Eyes",
    "eu": false,
    "gdpr": false,
    "cloud_act": "provider"
  },
  "pick": false,
  "pick_reason": null,
  "disclosure": null,
  "grade": "C",
  "score": 69,
  "coverage": 100,
  "summary": "Cover Your Tracks scores 69 out of 100 (grade C) on the privacy test tools criteria. It meets 4 of 8 criteria: open source, no trackers or telemetry, no ads or data sales and tells users about requests. It partly meets transparency report and TLS configuration. It does not meet independent audit and security headers. It is based in the United States: Five Eyes member; subject to the US CLOUD Act. Automated tests: SSL Labs grade A- and Mozilla HTTP Observatory grade B-.",
  "url": "https://privacyratings.com/online-privacy-tools/cover-your-tracks/",
  "markdown": "https://privacyratings.com/online-privacy-tools/cover-your-tracks/index.md",
  "answers": {
    "open_source": {
      "title": "Open source",
      "weight": 3,
      "answer": "yes",
      "evidence": "https://github.com/EFForg/cover-your-tracks/blob/master/LICENSE",
      "note": "AGPL-3.0."
    },
    "no_trackers": {
      "title": "No trackers or telemetry",
      "weight": 3,
      "answer": "yes",
      "evidence": "https://coveryourtracks.eff.org/privacy",
      "note": "The privacy policy states there are no third-party service providers; an optional test loads one real tracker resource to check blocking."
    },
    "no_ads": {
      "title": "No ads or data sales",
      "weight": 2,
      "answer": "yes",
      "evidence": "https://supporters.eff.org/donate/coveryourtracks",
      "note": "Funded by donations to EFF, which states it does not sell visitor information."
    },
    "independent_audit": {
      "title": "Independent audit",
      "weight": 2,
      "answer": "no",
      "evidence": null,
      "note": "No independent audit is published."
    },
    "transparency_report": {
      "title": "Transparency report",
      "weight": 2,
      "answer": "partial",
      "evidence": "https://www.eff.org/policy",
      "note": "EFF's privacy policy states visitor information is shared with government only when compelled by law, but no request counts are published."
    },
    "user_notice": {
      "title": "Tells users about requests",
      "weight": 1,
      "answer": "yes",
      "evidence": "https://www.eff.org/policy",
      "note": "EFF's privacy policy promises to attempt prior notice of legal requests unless prohibited or futile."
    },
    "tls": {
      "title": "TLS configuration",
      "weight": 2,
      "answer": "partial",
      "evidence": "https://www.ssllabs.com/ssltest/analyze.html?d=coveryourtracks.eff.org&hideResults=on",
      "note": "Grade A-"
    },
    "security_headers": {
      "title": "Security headers",
      "weight": 1,
      "answer": "no",
      "evidence": "https://developer.mozilla.org/en-US/observatory/analyze?host=coveryourtracks.eff.org",
      "note": "Grade B- (65/100+)"
    },
    "web_standards": {
      "title": "Modern web standards",
      "weight": 1,
      "answer": "pending",
      "evidence": null,
      "note": "Not tested yet."
    }
  },
  "tests": {
    "ssllabs": "A-",
    "observatory": "B-",
    "internetnl_web": null,
    "internetnl_mail": null,
    "trackers": [],
    "tested_at": "2026-10-01T07:01:19.948Z"
  },
  "last_modified": "2026-10-01T07:44:20Z"
}