SEO Mastery

Search engine optimization strategies and tactics for sustainable organic growth.

Language & Quality Standards

CRITICAL: Respond in the same language the user is using. If Vietnamese, respond in Vietnamese. If Spanish, respond in Spanish.

Standards: Token efficiency, sacrifice grammar for concision, list unresolved questions at end.

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When to Use This Skill

Apply SEO expertise when:

• Optimizing content for search rankings
• Conducting keyword research
• Performing technical SEO audits
• Building link acquisition strategies
• Analyzing search performance
• Creating content strategies for organic growth

Core Concepts

Search Intent Types

Intent	User Goal	Content Type	Examples
Informational	Learn something	How-to, guides, definitions	"how to write email copy"
Navigational	Find specific site	Brand pages	"HubSpot login"
Commercial	Research before buying	Comparisons, reviews	"best email marketing tools"
Transactional	Complete purchase	Product pages, pricing	"buy mailchimp subscription"

Keyword Research Framework

Keyword Metrics to Evaluate:

Metric	What It Means	Good Range
Search Volume	Monthly searches	100-10,000 for most
Keyword Difficulty	Competition level	0-30 for new sites
CPC	Commercial intent	Higher = more valuable
SERP Features	What's on page 1	Fewer = easier

Keyword Types:

• Head Terms: 1-2 words, high volume, very competitive
• Body Terms: 2-3 words, medium volume, competitive
• Long-tail: 4+ words, low volume, less competitive

On-Page SEO Elements

Title Tag (50-60 characters):

• Primary keyword near front
• Compelling and click-worthy
• Unique per page
• Include brand (if room)

Meta Description (150-160 characters):

• Include primary keyword naturally
• Call-to-action
• Unique value proposition
• Match search intent

Header Structure:

H1: Main Page Title (one per page, contains keyword)
  H2: Major Section (keyword variations)
    H3: Subsection (semantic terms)
      H4: Supporting detail

Content Optimization Checklist:

• Keyword in first 100 words
• Natural keyword density (1-2%)
• Semantic variations throughout
• Internal links to related content (3-5 per post)
• External links to authoritative sources (1-2)
• Image alt text with keywords
• Short, descriptive URLs

Technical SEO Essentials

Core Web Vitals:

Metric	Target	What It Measures
LCP (Largest Contentful Paint)	<2.5s	Loading performance
FID (First Input Delay)	<100ms	Interactivity
CLS (Cumulative Layout Shift)	<0.1	Visual stability

Crawlability Checklist:

• XML sitemap submitted
• Clean robots.txt
• No broken links (4xx errors)
• Proper redirects (301 for permanent)
• Mobile-friendly design
• HTTPS enabled

Indexability Checklist:

• Canonical tags on duplicate pages
• No accidental noindex
• Hreflang for international
• Proper pagination handling

Link Building Strategies

Strategy	Effort	Impact	Best For
Guest Posting	High	Medium	New sites, authority
Broken Link Building	Medium	Medium	Quick wins
Resource Pages	Medium	Medium	Comprehensive content
Digital PR	High	High	Brand + links
Original Research	Very High	Very High	Thought leadership
HARO	Low	Variable	Easy opportunities

Content Clusters

Pillar-Cluster Model:

Pillar Page (comprehensive, 3000+ words)
├── Cluster 1 (specific subtopic, links to pillar)
├── Cluster 2 (specific subtopic, links to pillar)
├── Cluster 3 (specific subtopic, links to pillar)
└── Cluster N (specific subtopic, links to pillar)

Benefits:

• Establishes topical authority
• Improves internal linking
• Captures long-tail variations
• Better user navigation

Best Practices

Keyword Research Excellence

1. Intent Match: Align content with search intent
2. Realistic Targets: Start with achievable difficulty
3. Cluster Thinking: Group related keywords
4. Commercial Balance: Mix informational and transactional

Content Excellence

1. 10x Content: Be definitively better than page 1
2. Comprehensive Coverage: Answer all related questions
3. Updated Regularly: Refresh for freshness signals
4. Multimedia Rich: Images, videos, interactive elements

Technical Excellence

1. Speed Priority: Fast sites rank better
2. Mobile-First: Google indexes mobile version
3. Clean Architecture: Logical URL and site structure
4. Structured Data: Schema markup for rich snippets

Agent Integration

Agent	How They Use This Skill
attraction-specialist	Full SEO strategy and execution
copywriter	SEO-optimized content creation
researcher	Competitor SEO analysis
docs-manager	SEO documentation and audits

Anti-Patterns to Avoid

Anti-Pattern	Why It's Wrong	Do This Instead
Keyword stuffing	Hurts rankings, UX	Natural density
Buying links	Penalty risk	Earn links
Duplicate content	Cannibalization	Canonical or consolidate
Ignoring search intent	Poor engagement signals	Match intent exactly
Chasing only volume	Ignores conversion	Balance volume + intent

Related Commands

• /seo/keywords - Keyword research
• /seo/audit - Comprehensive SEO audit
• /seo/competitor - Competitor SEO analysis
• /seo/optimize - Content optimization
• /checklist/seo-weekly - Weekly SEO maintenance

References

• references/keyword-research.md - Keyword research methodology
• references/on-page-seo.md - On-page optimization checklist
• references/technical-seo.md - Technical SEO requirements
• references/link-building.md - Link acquisition strategies
• references/local-seo.md - Local search optimization
• references/seo-audit-checklist.md - Comprehensive audit framework