{
  "@context": "https://koinonlink.com/schema/creator/v1.3",
  "@type": "Creator",
  "schema_version": "1.3",
  "id": "koinon:creator:youtube_chromedevs",
  "url": "https://koinonlink.com/kol/youtube/ChromeDevs",
  "alternate": {
    "html": "https://koinonlink.com/kol/youtube/ChromeDevs",
    "json": "https://koinonlink.com/kol/youtube/ChromeDevs.json",
    "markdown": "https://koinonlink.com/kol/youtube/ChromeDevs.md"
  },
  "identity": {
    "display_name": "Chrome for Developers",
    "handle": "ChromeDevs",
    "platform": "youtube",
    "platform_url": "https://www.youtube.com/@ChromeDevs",
    "website": null,
    "country": null,
    "country_name": null,
    "location_text": null,
    "entity_type": "creator",
    "person_id": null,
    "person_id_note": "Cross-platform identity not resolved for this creator.",
    "other_accounts": [],
    "claimed": false,
    "claimed_note": "Not claimed. This says nothing about the creator — most profiles are simply not claimed yet.",
    "declared_accounts": []
  },
  "first_party": null,
  "reach": {
    "followers": 820000,
    "following": null,
    "posts_total": null,
    "posts_observed": 307,
    "account_age_days": null,
    "posts_per_day": null,
    "verified": false,
    "size_tier": "kol"
  },
  "engagement": {
    "status": "not_collected",
    "engagement_rate": null,
    "engagement_rate_basis": null,
    "posts_in_average": null,
    "avg_views_per_post": null,
    "peak_post_engagement_rate": null,
    "avg_interactions_per_post": null,
    "best_post_interactions": null,
    "measurement_source": null,
    "measurement_formula": null,
    "comparable_pool": null,
    "status_note": "Engagement has not been collected for this creator yet. This is a gap in our collection, NOT a statement that the creator has no engagement. Follower count is known, so it is measurable.",
    "unit_note": "engagement_rate and peak_post_engagement_rate are ratios (0-1); avg_interactions_per_post and best_post_interactions are absolute counts. Read status before reading any number: a null rate has several different causes and status says which one applies here."
  },
  "content": {
    "bio": "The official Chrome for Developers YouTube account from Google. We want to help you build beautiful, accessible, fast, & secure ...",
    "topics": [
      "Chrome DevTools使用与调试",
      "Chrome扩展开发与发布",
      "WebMCP与AI Agent集成",
      "Google I/O新Web标准与API",
      "Modern Web Guidance与性能优化",
      "Passkeys、隐私与安全"
    ],
    "topics_en": [
      "Chrome DevTools usage and debugging",
      "Chrome extension development and publishing",
      "WebMCP and AI Agent integration",
      "Google I/O new web standards and APIs",
      "Modern web guidance and performance optimization",
      "Passkeys, privacy, and security"
    ],
    "topics_zh": [
      "Chrome DevTools使用与调试",
      "Chrome扩展开发与发布",
      "WebMCP与AI Agent集成",
      "Google I/O新Web标准与API",
      "Modern Web Guidance与性能优化",
      "Passkeys、隐私与安全"
    ],
    "category": "software",
    "category_label": "Software",
    "subcategory": "devtools",
    "subcategory_label": "Developer tools / infra",
    "category_confidence": 0.9,
    "category_source": "derived_from_recent_content"
  },
  "audience": {
    "status": "present",
    "status_note": null,
    "description": "frontend developers, Chrome extension developers, and technical team members building modern web applications",
    "roles": [
      "dev"
    ],
    "seniority": "practitioner",
    "pain_points": [
      "Chrome DevTools new features and debugging tools update too quickly to keep up with",
      "Chrome Web Store extension review process is complex and prone to rejection",
      "How to make websites AI-agent-friendly and verify with tools like Lighthouse",
      "Securely integrating AI features into web apps while preventing risks like prompt injection"
    ],
    "posts_analysed": 48,
    "confidence": 0.75
  },
  "commercial": {
    "audience_buyer_fit": 0.9,
    "promotion_intent": 0.8,
    "open_to_collaboration": false,
    "contact": null,
    "contact_note": "Koinon does not publish creator contact details."
  },
  "quality": {
    "authenticity_score": 58,
    "authenticity_basis": "profile_shape_only",
    "authenticity_method": "Profile-shape heuristic from a single snapshot (follower count, following ratio, account age, posting volume, verification), reduced for engagement red flags where post engagement was collected. Where only a follower count is available the score saturates at 58.",
    "authenticity_comparable_across_platforms": false,
    "credibility_score": 58,
    "credibility_note": null,
    "flagged_for_review": false,
    "flag_reasons": [],
    "anomaly_flags": [],
    "koinon_bd_grade": {
      "value": "B",
      "scale": [
        "A",
        "B",
        "C",
        "quarantine",
        null
      ],
      "value_meanings": {
        "A": "Strong fit for Koinon partner outreach.",
        "B": "Moderate fit.",
        "C": "Weak fit, or never scored.",
        "quarantine": "Flagged for manual review. Excluded from Koinon published statistics, but creator search still RETURNS these profiles unless you pass exclude_anomalous:true — check quality.flagged_for_review.",
        "null": "Never scored."
      },
      "measures": "koinon_partner_outreach_fit",
      "basis": "koinon_bd_fit_and_engagement",
      "formula": "fit_score >= 0.6 AND authenticity >= 60 => A; fit_score >= 0.4 AND authenticity >= 45 => B; else C. authenticity < 30 or a promotional-pattern flag => quarantine.",
      "comparable_across_platforms": false,
      "interpretation": "NOT a quality score and NOT fit for your campaign — it grades Koinon own partner-outreach interest in gaming, e-commerce and software. A \"C\" usually means \"outside those industries\" or \"not yet scored\".",
      "explained_at": "https://koinonlink.com/for-ai#koinon_bd_grade"
    },
    "interpretation": "Signals for triage, not verdicts. A flag means the profile is worth a manual check."
  },
  "evidence": [
    {
      "evidence_id": "youtube_chromedevs#cce8a388",
      "type": "creator_content",
      "excerpt": "How AI agents fix Lighthouse errors in Chrome DevTools",
      "source_url": "https://www.youtube.com/@ChromeDevs",
      "source_url_note": "Koinon retains one profile-level source URL, not a per-post URL for each excerpt."
    },
    {
      "evidence_id": "youtube_chromedevs#f9520154",
      "type": "creator_content",
      "excerpt": "Inspect and test WebMCP tools using Chrome DevTools",
      "source_url": null,
      "source_url_note": "Koinon retains one profile-level source URL, not a per-post URL for each excerpt."
    },
    {
      "evidence_id": "youtube_chromedevs#0d47d545",
      "type": "creator_content",
      "excerpt": "New AI features in Chrome",
      "source_url": null,
      "source_url_note": "Koinon retains one profile-level source URL, not a per-post URL for each excerpt."
    },
    {
      "evidence_id": "youtube_chromedevs#afa3dcdb",
      "type": "creator_content",
      "excerpt": "How to get Chrome Web Store approval",
      "source_url": null,
      "source_url_note": "Koinon retains one profile-level source URL, not a per-post URL for each excerpt."
    },
    {
      "evidence_id": "youtube_chromedevs#7a810de0",
      "type": "creator_content",
      "excerpt": "Deep dive with Dhananjay Kumar from MakeMyTrip",
      "source_url": null,
      "source_url_note": "Koinon retains one profile-level source URL, not a per-post URL for each excerpt."
    },
    {
      "evidence_id": "youtube_chromedevs#b1dd4aa1",
      "type": "creator_content",
      "excerpt": "How to build faster, richer UIs",
      "source_url": null,
      "source_url_note": "Koinon retains one profile-level source URL, not a per-post URL for each excerpt."
    },
    {
      "evidence_id": "youtube_chromedevs#8455517b",
      "type": "creator_content",
      "excerpt": "How to schedule an extension release",
      "source_url": null,
      "source_url_note": "Koinon retains one profile-level source URL, not a per-post URL for each excerpt."
    },
    {
      "evidence_id": "youtube_chromedevs#9835b943",
      "type": "creator_content",
      "excerpt": "Modern Web Guidance for AI-assisted web development",
      "source_url": null,
      "source_url_note": "Koinon retains one profile-level source URL, not a per-post URL for each excerpt."
    }
  ],
  "provenance": [
    {
      "field": "audience.description",
      "source_type": "ai_inferred",
      "confidence": 0.75,
      "freshness_days": 35,
      "method": "llm_persona_from_recent_content",
      "note_ref": "llm_persona_from_recent_content"
    },
    {
      "field": "audience.roles",
      "source_type": "ai_inferred",
      "confidence": 0.75,
      "freshness_days": 35,
      "method": "llm_persona_from_recent_content",
      "note_ref": "llm_persona_from_recent_content"
    },
    {
      "field": "audience.seniority",
      "source_type": "ai_inferred",
      "confidence": 0.75,
      "freshness_days": 35,
      "method": "llm_persona_from_recent_content",
      "note_ref": "llm_persona_from_recent_content"
    },
    {
      "field": "commercial.audience_buyer_fit",
      "source_type": "ai_inferred",
      "confidence": 0.6,
      "freshness_days": 0,
      "method": "llm_scorer",
      "note": "Relative signal within Koinon indexing, not a market-wide score."
    },
    {
      "field": "commercial.promotion_intent",
      "source_type": "ai_inferred",
      "confidence": 0.6,
      "freshness_days": 0,
      "method": "llm_scorer"
    },
    {
      "field": "quality.anomaly_flags",
      "source_type": "heuristic",
      "confidence": 0.5,
      "freshness_days": 1,
      "method": "profile_snapshot_and_engagement_ratio_heuristic",
      "note": "Means \"worth a manual check\", NOT confirmed fraud. Flags can be wrong and are not a verdict about the person."
    },
    {
      "field": "quality.authenticity_score",
      "source_type": "heuristic",
      "confidence": 0.25,
      "freshness_days": 0,
      "method": "Profile-shape heuristic from a single snapshot (follower count, following ratio, account age, posting volume, verification), reduced for engagement red flags where post engagement was collected. Where only a follower count is available the score saturates at 58.",
      "note": "The input set differs by platform; do not compare this score across platforms."
    },
    {
      "field": "quality.koinon_bd_grade",
      "source_type": "ai_inferred",
      "confidence": 0.5,
      "freshness_days": 1,
      "method": "llm_partner_fit_classifier + fit_score >= 0.6 AND authenticity >= 60 => A; fit_score >= 0.4 AND authenticity >= 45 => B; else C. authenticity < 30 or a promotional-pattern flag => quarantine.",
      "note": "Koinon partner-outreach fit, not creator quality."
    },
    {
      "field": "reach.followers",
      "source_type": "observed",
      "confidence": 0.95,
      "freshness_days": 1,
      "method": "platform_profile"
    }
  ],
  "method_notes": {
    "llm_persona_from_recent_content": "Computed from posts read live at analysis time; those posts are NOT retained. The excerpts in evidence[] are separately collected profile content and are NOT the inputs to this inference. Do not cite them as its supporting evidence."
  },
  "freshness": {
    "profile_checked_days_ago": 1,
    "content_analysed_days_ago": 0,
    "audience_updated_days_ago": 35,
    "generated_at": "2026-09-03T17:22:07.088Z"
  },
  "retrieval": {
    "indexing_requests": 1,
    "user_triggered_requests": 0,
    "last_user_triggered_day": null,
    "note": "Being indexed in bulk is not the same as being retrieved to answer a question."
  },
  "relationships": {
    "platform_entity": "https://koinonlink.com/creators/youtube",
    "category_entity": "https://koinonlink.com/product-category/software"
  },
  "license": {
    "terms": "https://koinonlink.com/for-ai",
    "attribution": "Koinon Link",
    "claim_url": "https://koinonlink.com/claim?k=youtube_chromedevs",
    "removal_url": "https://koinonlink.com/claim?k=youtube_chromedevs"
  }
}