{
  "schema": "tesign-radar/item/1",
  "generated_at": "2026-09-18T21:08:09.911Z",
  "lang": "en",
  "slug": "liarjs",
  "url": "https://tesign.com/en/item/liarjs/",
  "alternates": {
    "ko": {
      "html": "https://tesign.com/item/liarjs/",
      "json": "https://tesign.com/item/liarjs/index.json",
      "markdown": "https://tesign.com/item/liarjs/index.md"
    },
    "en": {
      "html": "https://tesign.com/en/item/liarjs/",
      "json": "https://tesign.com/en/item/liarjs/index.json",
      "markdown": "https://tesign.com/en/item/liarjs/index.md"
    }
  },
  "name": "liarjs",
  "use_label": "Check where a browser contradicts itself",
  "one_liner": "Reads what a browser says about itself, compares it with what the network actually saw, and reports every disagreement.",
  "text": {
    "why": "A browser controls its own JavaScript, but not the network it connects over. liarjs exploits that gap: it reads the fingerprint inside the browser, reads the TLS, HTTP and ASN view from the edge that served the request, and flags every place the two stories disagree.",
    "take": "Its usefulness is in showing you what a site can read about a visitor. If you have wondered what your browser leaks, opening the page answers it immediately.",
    "build": [
      "TypeScript under MIT, split into three parts: a CLI and driver, 19 browser-side fingerprint probes, and 40 consistency rules as pure functions. liarjs.dev runs exactly these checks."
    ],
    "who": [
      {
        "role": "People checking whether their privacy settings actually hold, and developers working on bot detection or traffic analysis.",
        "situation": null
      }
    ],
    "start": [
      {
        "command": false,
        "text": "Open liarjs.dev and it scans your browser right away — no install, no signup."
      }
    ],
    "caveat": [
      "A diagnostic tool: the result tells you where two views disagree, not who someone is or whether they are safe."
    ]
  },
  "cta": {
    "type": "try",
    "label": "TRY",
    "url": "https://liarjs.dev/"
  },
  "ready": "browser",
  "categories": [
    "security",
    "dev-tools"
  ],
  "categories_confirmed": true,
  "tags": [
    "브라우저",
    "지문",
    "프라이버시",
    "점검"
  ],
  "platform": [
    "web",
    "cli"
  ],
  "license": {
    "spdx": "MIT",
    "scope": "permissive",
    "scope_text": "Use, change and redistribute, commercially too. Keep the notice.",
    "url": "https://spdx.org/licenses/MIT.html",
    "note": null,
    "open_source": true
  },
  "language": "TypeScript",
  "source_urls": {
    "canonical": "https://liarjs.dev/",
    "github": "https://github.com/liarjsdev/liarjs",
    "huggingface": null,
    "app_store": null,
    "sightings": [
      {
        "source": "github",
        "url": "https://github.com/liarjsdev/liarjs",
        "posted_at": "2026-09-15T17:00:00.000Z",
        "hn_url": null
      }
    ]
  },
  "numbers": {
    "as_of": "2026-09-18T15:00:00.000Z",
    "stars": 214,
    "stars_unit": "GitHub stars",
    "stars_checked_at": "2026-09-15T23:33:48.861Z",
    "stars_observed_since_check": 3,
    "star_delta_24h": null,
    "star_delta_7d": 21,
    "star_delta_30d": 21,
    "star_delta_unit": "GitHub stars gained in the window, GH Archive events summed to as_of",
    "spark_14d": [
      null,
      null,
      null,
      null,
      null,
      null,
      2,
      2,
      null,
      null,
      14,
      3,
      null,
      null
    ],
    "hf_likes": null,
    "hf_likes_observed_at": null,
    "hn_points": null,
    "hn_points_observed_at": null,
    "store": null,
    "method": "Star total = the value last checked on GitHub (stars_checked_at) + increases observed via GH Archive since. The 24h · 7d · 30d gains are GH Archive hourly events summed to the reference time (as_of). No score of ours."
  },
  "ranks": null,
  "activity": {
    "pushed_at": "2026-08-20T07:14:49.000Z",
    "owner_type": null,
    "open_issues": null,
    "contributors": null,
    "releases_count": null,
    "latest_release": null,
    "checked_at": null,
    "core_checked_at": "2026-09-15T23:33:48.861Z"
  },
  "signals": [],
  "images": {
    "og": "https://tesign.com/img/liarjs-a40040e79f.png",
    "cover": "https://tesign.com/img/liarjs-a40040e79f.png",
    "cover_width": 2400,
    "cover_height": 1260,
    "gallery": [
      "https://tesign.com/img/liarjs-a40040e79f.png"
    ],
    "alt": "The liarjs.dev page on a blue background, headlined \"Can your browser fool me?\" with the browser analysis in progress.",
    "tier": 1
  },
  "dates": {
    "first_seen_at": "2026-09-15T23:33:09.628Z",
    "source_created_at": "2026-07-28T06:35:55.000Z",
    "discovery_hours": 1192.9540633333334,
    "launch_signal_at": "2026-09-15T17:00:00.000Z",
    "kept_at": "2026-09-18T21:07:28.100Z",
    "first_published_at": "2026-09-18T21:07:28.284Z",
    "updated_at": "2026-09-18T21:07:28.246Z",
    "ingestion_mode": "live"
  },
  "notes": [
    "This file was produced by the same build, from the same data, as the tesign.com item page. The text is editorial; the numbers are stored observations.",
    "null in the JSON means not observed — never zero. The Markdown writes [unconfirmed] for it.",
    "Star total = the value last checked on GitHub (stars_checked_at) + increases observed via GH Archive since. The 24h · 7d · 30d gains are GH Archive hourly events summed to the reference time (as_of). No score of ours.",
    "A summary, not legal advice."
  ]
}