{
  "slug": "mwmbl",
  "category": "search-engines",
  "name": "Mwmbl",
  "description": "Non-profit, open-source search engine with its own community-crawled index, where signed-in users can help curate search results.",
  "website": "https://mwmbl.org",
  "source": "https://github.com/mwmbl/mwmbl",
  "license": "AGPL-3.0",
  "platforms": [],
  "jurisdiction": null,
  "pick": false,
  "pick_reason": null,
  "disclosure": null,
  "grade": "C",
  "score": 70,
  "coverage": 100,
  "summary": "Mwmbl scores 70 out of 100 (grade C) on the search engines criteria. It meets 6 of 11 criteria: open source, no trackers or telemetry, no ads or data sales, TLS configuration, no search history logs and no profile-based ads. It partly meets no account needed. It does not meet independent audit, transparency report, tells users about requests and security headers. Automated tests: SSL Labs grade A+ and Mozilla HTTP Observatory grade C.",
  "url": "https://privacyratings.com/search-engines/mwmbl/",
  "markdown": "https://privacyratings.com/search-engines/mwmbl/index.md",
  "answers": {
    "open_source": {
      "title": "Open source",
      "weight": 3,
      "answer": "yes",
      "evidence": "https://github.com/mwmbl/mwmbl/blob/main/LICENSE",
      "note": "AGPL-3.0."
    },
    "no_trackers": {
      "title": "No trackers or telemetry",
      "weight": 3,
      "answer": "yes",
      "evidence": "https://mwmbl.org/privacy",
      "note": "Only essential login cookies are used, with no tracking, analytics or advertising cookies."
    },
    "no_ads": {
      "title": "No ads or data sales",
      "weight": 2,
      "answer": "yes",
      "evidence": "https://opencollective.com/mwmbl",
      "note": "Non-profit project funded by donations, with no ads."
    },
    "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": "no",
      "evidence": null,
      "note": "No transparency report or government request policy is published."
    },
    "user_notice": {
      "title": "Tells users about requests",
      "weight": 1,
      "answer": "no",
      "evidence": null,
      "note": "No published policy on notifying users about data requests."
    },
    "tls": {
      "title": "TLS configuration",
      "weight": 2,
      "answer": "yes",
      "evidence": "https://www.ssllabs.com/ssltest/analyze.html?d=mwmbl.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=mwmbl.org",
      "note": "Grade C (50/100+)"
    },
    "web_standards": {
      "title": "Modern web standards",
      "weight": 1,
      "answer": "pending",
      "evidence": null,
      "note": "Not tested yet."
    },
    "no_search_logs": {
      "title": "No search history logs",
      "weight": 3,
      "answer": "yes",
      "evidence": "https://mwmbl.org/privacy",
      "note": "IP addresses are not stored on disk and no log of searches linked to a user or account is kept."
    },
    "no_personalized_ads": {
      "title": "No profile-based ads",
      "weight": 2,
      "answer": "yes",
      "evidence": "https://mwmbl.org/privacy",
      "note": "No ads are shown."
    },
    "no_account_needed": {
      "title": "No account needed",
      "weight": 1,
      "answer": "partial",
      "evidence": "https://mwmbl.org/privacy",
      "note": "Search works without an account; Super Search and result curation need a Mwmbl account."
    }
  },
  "tests": {
    "ssllabs": "A+",
    "observatory": "C",
    "internetnl_web": null,
    "internetnl_mail": null,
    "trackers": [],
    "tested_at": "2026-10-01T10:59:39.994Z"
  },
  "last_modified": "2026-10-01T11:14:42Z"
}