{
  "name": "Pergola Wiki public quality metrics",
  "version": "2.2",
  "dateModified": "2026-07-25",
  "evidenceContentVersion": "1.7",
  "landingPage": "https://pergola.wiki/quality-dashboard/",
  "methodology": "https://pergola.wiki/methodology/",
  "description": "Build-derived coverage, provenance, review, correction, field-data and accessibility-status metrics. Counts describe the published corpus; they are not correctness scores, certification or external recognition.",
  "counts": {
    "bilingualTopics": 44,
    "articleLanguagePages": 88,
    "sources": 40,
    "sourceRelationships": 149,
    "stableClaims": 132,
    "glossaryTerms": 62,
    "independentExternalReviews": 0,
    "publishedFieldObservations": 0,
    "publishedMaterialCorrections": 0,
    "externalExpertEndorsements": 0
  },
  "sourceCoverage": {
    "sourceTierCounts": {
      "1": 10,
      "2": 11,
      "3": 18,
      "4": 1
    },
    "topicBuckets": {
      "zero": 0,
      "one": 0,
      "two": 7,
      "threeOrMore": 37
    },
    "minimumSourcesPerTopic": 2,
    "averageSourcesPerTopic": 3.39,
    "maximumSourcesPerTopic": 5,
    "topicsBelowTwoSources": [],
    "byHub": [
      {
        "hub": "anatomy",
        "topics": 2,
        "sourceRelationships": 6,
        "minimumSourcesPerTopic": 3,
        "averageSourcesPerTopic": 3,
        "maximumSourcesPerTopic": 3
      },
      {
        "hub": "climate-design",
        "topics": 5,
        "sourceRelationships": 15,
        "minimumSourcesPerTopic": 2,
        "averageSourcesPerTopic": 3,
        "maximumSourcesPerTopic": 5
      },
      {
        "hub": "engineering",
        "topics": 10,
        "sourceRelationships": 38,
        "minimumSourcesPerTopic": 2,
        "averageSourcesPerTopic": 3.8,
        "maximumSourcesPerTopic": 5
      },
      {
        "hub": "maintenance",
        "topics": 4,
        "sourceRelationships": 15,
        "minimumSourcesPerTopic": 3,
        "averageSourcesPerTopic": 3.75,
        "maximumSourcesPerTopic": 4
      },
      {
        "hub": "materials",
        "topics": 5,
        "sourceRelationships": 17,
        "minimumSourcesPerTopic": 3,
        "averageSourcesPerTopic": 3.4,
        "maximumSourcesPerTopic": 4
      },
      {
        "hub": "planning-and-codes",
        "topics": 10,
        "sourceRelationships": 29,
        "minimumSourcesPerTopic": 2,
        "averageSourcesPerTopic": 2.9,
        "maximumSourcesPerTopic": 4
      },
      {
        "hub": "types",
        "topics": 8,
        "sourceRelationships": 29,
        "minimumSourcesPerTopic": 3,
        "averageSourcesPerTopic": 3.63,
        "maximumSourcesPerTopic": 5
      }
    ]
  },
  "sourceGovernance": {
    "version": "2.1",
    "snapshotDate": "2026-07-25",
    "landingPage": "https://pergola.wiki/source-governance/",
    "totalSources": 40,
    "automatedReachable": 35,
    "automatedAccessRestricted": 5,
    "manualFollowupRequired": 5,
    "earliestNextEditorialReviewDue": "2026-10-23",
    "evidenceRoleCounts": {
      "historical_or_terminology_context": 2,
      "operational_safety_context": 5,
      "research_data_methodology": 2,
      "technical_or_regulatory_context": 31
    },
    "geographicScopeCounts": {
      "australia": 2,
      "canada": 1,
      "european_framework": 3,
      "france": 1,
      "international_or_global": 7,
      "new_zealand": 2,
      "united_kingdom_or_england": 2,
      "united_states": 22
    },
    "lifecycleClassCounts": {
      "edition_or_archival_record": 19,
      "live_data_service": 1,
      "living_web_guidance": 14,
      "standards_or_code_directory": 6
    },
    "retrievalEvidenceBoundary": "HTTP retrieval status only describes an automated attempt on the dated URL. It does not confirm the cited edition, current status, technical content, local adoption or project applicability."
  },
  "accessibilityStatus": {
    "evaluationVersion": "2.2",
    "designAndTestingTarget": "WCAG 2.2 Level A and AA",
    "evaluationPage": "https://pergola.wiki/accessibility-evaluation/",
    "criteriaDataset": "https://pergola.wiki/data/pergola-wiki-accessibility-evaluation-v2.2.json",
    "automatedAuditDataset": "https://pergola.wiki/data/pergola-wiki-accessibility-automated-audit-v2.2.json",
    "criteriaInTarget": 55,
    "automatedEvidenceRecorded": 17,
    "representativeManualEvidenceRecorded": 22,
    "notApplicableCurrentContent": 16,
    "automatedPagesScanned": 166,
    "automatedPagesWithViolations": 0,
    "automatedViolationRulesAcrossPages": 0,
    "automatedIncompleteRulesAcrossPages": 6,
    "supplementalComputedStyleContrastChecks": 24,
    "supplementalContrastChecksMeeting45To1": 24,
    "unresolvedAutomatedIncompleteRulesAcrossPages": 0,
    "thirdPartyConformanceCertification": false,
    "formalWcagConformanceClaim": false,
    "automatedPerfectScoreIsConformanceClaim": false,
    "manualVoiceOverAndNvdaSitewideTestRecorded": false,
    "disabledUserTaskTestRecorded": false
  },
  "evidenceBoundaries": [
    "Source relationships are article-level associations, not claim-by-claim proof or project-specific validation.",
    "Tier counts classify source provenance and authority context; a lower tier number does not make every claim correct or current.",
    "Automated source retrieval status is not a content, edition, adoption or currency validation.",
    "Zero published reviews, observations or corrections means no verified public record is present, not that no private feedback exists or the site cannot contain error.",
    "Automated accessibility results and the criterion-coverage matrix detect or document only part of the user experience and do not establish WCAG conformance."
  ]
}