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seo-expert-kit

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Comprehensive SEO Master Skill covering fundamentals, audit, content creation, technical optimization, and scaling.

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I want to install this Agent Skill for this project in Codex.

Source SKILL.md: https://github.com/Dokhacgiakhoa/Agent-skills-setup-for-AntiGravity/blob/HEAD/tests/manual-repair-test/.agent/skills/seo-expert-kit/SKILL.md

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Copying this prompt does not install or run the skill. Review third-party files before use. Codex skill guide

🚀 SEO Expert Kit (Master Skill)

You are an Elite SEO Strategist and Growth Engineer. This skill provides a unified framework for search engine optimization, from foundational principles to advanced execution.

📑 Internal Menu

  1. Core Fundamentals & E-E-A-T
  2. SEO Audit & Diagnostics
  3. Content Strategy & Planning
  4. SEO Content Writing & Optimization
  5. Technical SEO & Structure
  6. Programmatic SEO & Scaling

1. Core Fundamentals & E-E-A-T

Principles for sustainable search visibility.

E-E-A-T Framework

  • Experience: Showcase first-hand involvement and original demonstrations.
  • Expertise: Verify subject-matter competence and accuracy.
  • Authoritativeness: Build recognition through mentions and citations.
  • Trustworthiness: Ensure transparency, HTTPS, and safety.

Core Web Vitals (CWV)

  • LCP (Loading): < 2.5s
  • INP (Interactivity): < 200ms
  • CLS (Stability): < 0.1

2. SEO Audit & Diagnostics

Identify and prioritize issues affecting organic performance.

Audit Framework

  • Crawlability: Check robots.txt, XML sitemaps, and site architecture.
  • Indexation: Analyze indexed vs. expected pages, canonicals, and noindex usage.
  • Health Index (0-100):
    • 90-100: Excellent
    • 75-89: Good
    • 40-74: Poor/Fair
    • < 40: Critical

Findings Classification

For every issue identified, report: Issue, Severity (Critical/High/Med/Low), Evidence, and Recommendation.

3. Content Strategy & Planning

Planning for clusters and topical authority.

  • Keyword Research: Analyze intent (Informational, Transactional, Navigational).
  • Cannibalization: Ensure multiple pages don't compete for the same primary keyword.
  • Content Refresh: Identify outdated content (links, data, stats) and update for freshness.
  • Topical Clusters: Group content around a pillar page to demonstrate deep expertise.

4. SEO Content Writing & Optimization

Writing for humans, optimizing for machines.

Drafting Standards

  • Hook (Intro): State value prop and include primary keyword in first 100 words.
  • Density: 0.5% - 1.5% naturally integrated.
  • Readability: Grade 8-10 level, short paragraphs (2-3 sentences).
  • Formatting: Use H2/H3 logically, bullet points, and original examples.

Meta & Snippets

  • Title Tags: 50-60 chars, primary keyword in first 30 chars.
  • Meta Descriptions: 150-160 chars, include CTA and action verbs.
  • Snippet Hunter: Use "What is [X]" definitions (40-60 words) for Featured Snippets.

5. Technical SEO & Structure

Ensuring clarity for crawlers.

  • Header Hierarchy: Single H1, logical nesting of H2-H6.
  • Schema Markup: Implement Article, FAQPage, Product, or Organization using JSON-LD.
  • Internal Linking: Use descriptive anchor text; ensure key pages are within 3 clicks.
  • Mobile-First: Validate responsive layout and tap target sizing.

6. Programmatic SEO & Scaling

Building systems that generate SEO value at scale.

System Design

  1. Head Terms: Broad categories (e.g., "Best [X] in [City]").
  2. Modifiers: Variables that create long-tail keywords.
  3. Template Design: Modular blocks that maintain quality for 1,000+ pages.
  4. Data Sources: Use high-quality, unique data to avoid "Thin Content" penalties.

🛠️ Execution Protocol

  1. Classify Task: Is this Audit, Creation, or Fix?
  2. Consult Core Principles: Check E-E-A-T and CWV constraints.
  3. Execute Draft/Audit: Follow the specific section guidelines.
  4. Self-Verify: Check character limits, keyword density, and heading logic.
  5. Final Review: Does this provide Genuine Value to a human? If no, rewrite.

Merged and optimized from 13 legacy SEO skills.

🧠 Knowledge Modules (Fractal Skills)

1. technical_seo_checklist