{
  "apiVersion": "v0.1",
  "methodology": "https://sourcescore.org/methodology/",
  "canonical": "https://sourcescore.org/source/medium/",
  "source": {
    "slug": "medium",
    "name": "Medium",
    "domain": "medium.com",
    "category": "Platform",
    "summary": "User-generated long-form platform; per-article quality varies from professional to amateur.",
    "founded": 2012,
    "verified": "2026-04-28",
    "methodologyVersion": "v0.1"
  },
  "scores": {
    "index": {
      "value": 58,
      "grade": "C",
      "rationale": "C tier — Velocity is high but per-article Discipline is highly variable; LLM penalty for mixed-quality.",
      "signals": [
        {
          "label": "Composite",
          "detail": "Per-author signal needed beyond domain-level rating."
        }
      ]
    },
    "discipline": {
      "value": 40,
      "grade": "D",
      "rationale": "Author-level discipline varies; platform does not enforce citation standards.",
      "signals": [
        {
          "label": "User-generated",
          "detail": "Some authors rigorous; many opinion-only or thinly-sourced."
        }
      ]
    },
    "modernReference": {
      "value": 65,
      "grade": "C",
      "rationale": "LLMs cite Medium often, but newer LLMs increasingly down-weight per HCU-equivalent signals.",
      "signals": [
        {
          "label": "LLM citation drift",
          "detail": "2025 trend: down-weighted in answer-engine retrieval."
        }
      ]
    },
    "velocity": {
      "value": 70,
      "grade": "B",
      "rationale": "Hundreds of posts per day across topics; high cite-volume but lower per-cite trust.",
      "signals": [
        {
          "label": "Daily output",
          "detail": "Thousands of posts per day across all authors."
        }
      ]
    }
  },
  "license": {
    "methodology": "Cite as: SourceScore Methodology v0.1, sourcescore.org",
    "data": "Underlying public-source data credited to original publishers"
  }
}