{
  "slug": "basilisk-browser",
  "category": "browsers",
  "name": "Basilisk Browser",
  "description": "Desktop browser built on the Unified XUL Platform (UXP) and Goanna engine, a fork of Mozilla's older code base. Keeps support for NPAPI plugins and XUL extensions.",
  "website": "https://www.basilisk-browser.org",
  "source": "https://repo.palemoon.org/Basilisk-Dev/Basilisk",
  "license": null,
  "platforms": [],
  "jurisdiction": null,
  "pick": false,
  "pick_reason": null,
  "disclosure": null,
  "grade": "D",
  "score": 50,
  "coverage": 100,
  "summary": "Basilisk Browser scores 50 out of 100 (grade D) on the browsers criteria. It meets 4 of 8 criteria: open source, no trackers or telemetry, no ads or data sales and no calls to big-tech services. It does not meet independent audit, blocks trackers by default, fingerprinting protection and timely security updates.",
  "url": "https://privacyratings.com/browsers/basilisk-browser/",
  "markdown": "https://privacyratings.com/browsers/basilisk-browser/index.md",
  "answers": {
    "open_source": {
      "title": "Open source",
      "weight": 3,
      "answer": "yes",
      "evidence": "https://repo.palemoon.org/Basilisk-Dev/Basilisk/src/branch/master/LICENSE.md",
      "note": "MPL-2.0."
    },
    "no_trackers": {
      "title": "No trackers or telemetry",
      "weight": 3,
      "answer": "yes",
      "evidence": "https://www.basilisk-browser.org/privacy.html",
      "note": "No analytics or telemetry are collected. The only default third-party service is IP-based geolocation when a site requests it."
    },
    "no_ads": {
      "title": "No ads or data sales",
      "weight": 2,
      "answer": "yes",
      "evidence": "https://www.basilisk-browser.org/privacy.html",
      "note": "No ads and no data sales. Funded by donations."
    },
    "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": "n/a",
      "evidence": null,
      "note": "Only applies to hosted services with a website to test."
    },
    "user_notice": {
      "title": "Tells users about requests",
      "weight": 1,
      "answer": "n/a",
      "evidence": null,
      "note": "Only applies to hosted services with a website to test."
    },
    "tls": {
      "title": "TLS configuration",
      "weight": 2,
      "answer": "n/a",
      "evidence": null,
      "note": "Only applies to hosted services with a website to test."
    },
    "security_headers": {
      "title": "Security headers",
      "weight": 1,
      "answer": "n/a",
      "evidence": null,
      "note": "Only applies to hosted services with a website to test."
    },
    "web_standards": {
      "title": "Modern web standards",
      "weight": 1,
      "answer": "n/a",
      "evidence": null,
      "note": "Only applies to hosted services with a website to test."
    },
    "tracker_blocking": {
      "title": "Blocks trackers by default",
      "weight": 3,
      "answer": "no",
      "evidence": null,
      "note": "No built-in tracker blocking. Requires add-ons."
    },
    "fingerprinting_protection": {
      "title": "Fingerprinting protection",
      "weight": 2,
      "answer": "no",
      "evidence": "https://www.basilisk-browser.org/privacy.html",
      "note": "Not configured to resist fingerprinting out of the box."
    },
    "no_google_services": {
      "title": "No calls to big-tech services",
      "weight": 2,
      "answer": "yes",
      "evidence": "https://www.basilisk-browser.org/privacy.html",
      "note": "The listed default third-party services do not include Google, Microsoft or Apple."
    },
    "security_updates": {
      "title": "Timely security updates",
      "weight": 3,
      "answer": "no",
      "evidence": "https://www.basilisk-browser.org/releasenotes.html",
      "note": "Releases come roughly monthly on the forked UXP platform, with Mozilla security fixes ported selectively, so fixes can lag weeks."
    }
  },
  "tests": {
    "ssllabs": null,
    "observatory": null,
    "internetnl_web": null,
    "internetnl_mail": null,
    "trackers": [],
    "tested_at": "2026-10-01T07:00:33.985Z"
  },
  "last_modified": "2026-10-01T07:44:20Z"
}