{
  "slug": "ublock-origin-lite",
  "category": "ad-blockers",
  "name": "uBlock Origin Lite",
  "description": "Manifest V3 content blocker from the uBlock Origin developer that filters ads and trackers through declarative browser rules, with no background process.",
  "website": "https://github.com/uBlockOrigin/uBOL-home",
  "source": "https://github.com/uBlockOrigin/uBOL-home",
  "license": "GPL-3.0",
  "platforms": [
    "windows",
    "macos",
    "linux",
    "ios"
  ],
  "jurisdiction": null,
  "pick": true,
  "pick_reason": "For browsers that only allow Manifest V3 extensions, such as Chrome and Edge: uBlock Origin's filter lists with no data collection and no background process.",
  "disclosure": null,
  "grade": "B",
  "score": 88,
  "coverage": 100,
  "summary": "uBlock Origin Lite scores 88 out of 100 (grade B) on the ad and tracker blockers criteria. It meets 6 of 7 criteria: open source, no trackers or telemetry, no ads or data sales, effective by default, no browsing data collected and custom filters. It does not meet independent audit.",
  "url": "https://privacyratings.com/ad-blockers/ublock-origin-lite/",
  "markdown": "https://privacyratings.com/ad-blockers/ublock-origin-lite/index.md",
  "answers": {
    "open_source": {
      "title": "Open source",
      "weight": 3,
      "answer": "yes",
      "evidence": "https://github.com/uBlockOrigin/uBOL-home/blob/main/LICENSE",
      "note": "GPL-3.0."
    },
    "no_trackers": {
      "title": "No trackers or telemetry",
      "weight": 3,
      "answer": "yes",
      "evidence": "https://github.com/uBlockOrigin/uBOL-home/wiki/Privacy-policy",
      "note": "No analytics or telemetry in the code and no home server."
    },
    "no_ads": {
      "title": "No ads or data sales",
      "weight": 2,
      "answer": "yes",
      "evidence": "https://github.com/uBlockOrigin/uBOL-home/wiki/Privacy-policy",
      "note": "No ads, and donations are not accepted."
    },
    "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."
    },
    "blocks_by_default": {
      "title": "Effective by default",
      "weight": 3,
      "answer": "yes",
      "evidence": "https://github.com/uBlockOrigin/uBOL-home",
      "note": "The default rulesets include uBlock Origin's filters, EasyList, EasyPrivacy and Peter Lowe's list."
    },
    "no_data_collection": {
      "title": "No browsing data collected",
      "weight": 3,
      "answer": "yes",
      "evidence": "https://github.com/uBlockOrigin/uBOL-home/wiki/Privacy-policy",
      "note": "No data of any kind is collected. The only remote requests are for filter lists the user subscribes to."
    },
    "custom_filters": {
      "title": "Custom filters",
      "weight": 1,
      "answer": "yes",
      "evidence": "https://github.com/uBlockOrigin/uBOL-home/wiki/Frequently-asked-questions-(FAQ)",
      "note": "Custom filters and subscriptions to external filter lists are supported."
    }
  },
  "tests": {
    "ssllabs": null,
    "observatory": null,
    "internetnl_web": null,
    "internetnl_mail": null,
    "trackers": null,
    "tested_at": "2026-10-01T07:02:38.297Z"
  },
  "last_modified": "2026-10-01T07:44:20Z"
}