feat: add GEO research data and platform-specific ranking factors
Add Princeton GEO study (KDD 2024) 9-method table with exact visibility percentages to SKILL.md. Add AI bot robots.txt configuration. Add keyword stuffing warning (-10% visibility). Add platform-ranking-factors.md reference with per-platform details: Google AI Overviews (5-stage pipeline), ChatGPT (content-answer fit 55%, 30-day freshness 3.2x), Perplexity (3-layer RAG, FAQ Schema priority), Copilot (Bing index + MS ecosystem), Claude (Brave Search, 38K:1 crawl-to-refer ratio). Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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Corey Haines
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@@ -49,7 +49,9 @@ Gather this context (ask if not provided):
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| **Perplexity** | Always cites sources with links | Favors authoritative, recent, well-structured content |
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| **Gemini** | Google's AI assistant | Pulls from Google index + Knowledge Graph |
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| **Copilot** | Bing-powered AI search | Bing index + authoritative sources |
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| **Claude** | No live search (web search when enabled) | Training data + search results when available |
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| **Claude** | Brave Search (when enabled) | Training data + Brave search results |
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For detailed ranking factors per platform, see [references/platform-ranking-factors.md](references/platform-ranking-factors.md).
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### Key Difference from Traditional SEO
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@@ -110,6 +112,25 @@ For each priority page, verify:
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| Expert attribution (author name, credentials)? | |
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| Recently updated (within 6 months)? | |
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| Heading structure matches query patterns? | |
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| AI bots allowed in robots.txt? | |
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### Step 4: AI Bot Access Check
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Verify your robots.txt allows AI crawlers. If these bots are blocked, AI platforms can't cite you:
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```
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# AI bots to allow in robots.txt
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User-agent: GPTBot # OpenAI (ChatGPT)
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User-agent: ChatGPT-User # ChatGPT with browsing
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User-agent: PerplexityBot # Perplexity
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User-agent: ClaudeBot # Anthropic (Claude)
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User-agent: anthropic-ai # Anthropic (Claude)
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User-agent: Google-Extended # Google AI (Gemini, AI Overviews)
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User-agent: Bingbot # Microsoft Copilot
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Allow: /
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```
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**Note:** Some companies block AI bots to prevent training on their content. That's a valid business decision — but if you block them, you won't get cited. You can selectively block training-only bots while allowing search bots.
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---
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@@ -147,15 +168,31 @@ For detailed templates for each block type, see [references/content-patterns.md]
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### Pillar 2: Authority — Make Content Citable
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AI systems prefer sources they can trust. Build citation-worthiness:
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AI systems prefer sources they can trust. Build citation-worthiness.
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**Statistics and data** (40%+ citation boost)
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**The Princeton GEO research** (KDD 2024, studied across Perplexity.ai) ranked 9 optimization methods:
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| Method | Visibility Boost | How to Apply |
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|--------|:---------------:|--------------|
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| **Cite sources** | +40% | Add authoritative references with links |
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| **Add statistics** | +37% | Include specific numbers with sources |
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| **Add quotations** | +30% | Expert quotes with name and title |
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| **Authoritative tone** | +25% | Write with demonstrated expertise |
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| **Improve clarity** | +20% | Simplify complex concepts |
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| **Technical terms** | +18% | Use domain-specific terminology |
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| **Unique vocabulary** | +15% | Increase word diversity |
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| **Fluency optimization** | +15-30% | Improve readability and flow |
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| ~~Keyword stuffing~~ | **-10%** | **Actively hurts AI visibility** |
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**Best combination:** Fluency + Statistics = maximum boost. Low-ranking sites benefit even more — up to 115% visibility increase with citations.
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**Statistics and data** (+37-40% citation boost)
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- Include specific numbers with sources
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- Cite original research, not summaries of research
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- Add dates to all statistics
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- Original data beats aggregated data
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**Expert attribution** (25-30% citation boost)
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**Expert attribution** (+25-30% citation boost)
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- Named authors with credentials
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- Expert quotes with titles and organizations
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- "According to [Source]" framing for claims
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@@ -324,6 +361,8 @@ Monthly manual check:
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- **Gating all content** — AI can't access gated content. Keep your most authoritative content open
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- **Ignoring third-party presence** — You may get more AI citations from a Wikipedia mention than from your own blog
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- **No structured data** — Schema markup gives AI systems structured context about your content
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- **Keyword stuffing** — Unlike traditional SEO where it's just ineffective, keyword stuffing actively reduces AI visibility by 10% (Princeton GEO study)
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- **Blocking AI bots** — If GPTBot, PerplexityBot, or ClaudeBot are blocked in robots.txt, those platforms can't cite you
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- **Generic content without data** — "We're the best" won't get cited. "Our customers see 3x improvement in [metric]" will
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- **Forgetting to monitor** — You can't improve what you don't measure. Check AI visibility monthly at minimum
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