SEO/SEA/GEO Skill (2026)

Complete SEO/GEO reference with 50+ detailed guides across 10 categories.

Documentation Structure

01-seo-foundations/ → Current date, research workflow, SEO vs GEO 02-onpage-seo/ → Meta tags, Open Graph, Twitter Cards, headers, alt text 03-schema-org/ → 9 schema types (Article, FAQ, Product, etc.) 04-geo-2026/ → AI platforms, citations, LLM crawlability 05-technical-seo/ → Core Web Vitals, mobile-first, crawlability 06-content-strategy/ → E-E-A-T, anti-cannibalization, AI content, keyword distribution 07-sea-google-ads/ → Quality Score, landing pages, extensions 08-measurement/ → GEO tracking tools, Share of Model, analytics 09-checklists/ → Pre-publication, technical audit, GEO compliance 10-local-seo/ → GBP, NAP citations, reviews, Local Pack, local pages

7-Phase Workflow (MANDATORY)

PHASE 1: ANALYZE → Extract content, detect intent PHASE 2: RESEARCH → SERP analysis, 2026 trends, AI platforms PHASE 3: KEYWORDS → Extract with anti-cannibalization PHASE 4: STRUCTURE → Meta, OG, Twitter Cards, Hn, schema, alt text PHASE 5: CONTENT → Write SEO+GEO optimized content PHASE 6: SEA → Google Ads recommendations PHASE 7: VALIDATE → SEO + GEO compliance checklists

On-Page Structure

Meta Title (50-60 chars)

[Primary Keyword]: [Benefit] | [Brand] Example: "SEO Guide 2025: 47 Proven Techniques | AgencySEO"

Meta Description (120-155 chars)

[Hook] + [Benefit] + [CTA] Example: "Discover 2025 SEO best practices. E-E-A-T, Core Web Vitals. Download now."

URL Format

/category/primary-keyword-year Rules: lowercase, hyphens, no accents, <75 chars

Hn Hierarchy

H1: Main title (only 1) ├── H2: Section 1 │ ├── H3: Subsection 1.1 │ └── H3: Subsection 1.2 ├── H2: Section 2 │ └── H3: Subsection 2.1 │ └── H4: Detail 2.1.1 └── H2: FAQ (long-tail questions)

Image Alt Text

[Visual description] + [Contextual keyword] Example: "Core Web Vitals dashboard showing LCP 2.1s"

Keyword Strategy

Categories

Type Words Example

Primary 1-2 "SEO 2025"

Secondary 2-3 "technical SEO audit"

Long-tail 3-5 "how to improve WordPress SEO 2025"

Local 2-4 "SEO consultant Lyon"

Questions PAA "What is E-E-A-T in SEO?"

SEA Commercial "buy SEO services"

Anti-Cannibalization Rules

• ONE primary keyword per page

• Map all site pages to their keywords

• No duplicate H1s across site

• Canonical tags for similar content

• Internal linking supports main page

If conflict detected:

• Consolidate pages, OR

• Differentiate keywords, OR

• 301 redirect to canonical

GEO/AI Optimization

For AI Citation

• Direct answer in first 100 words

• FAQ schema with concise answers (2-3 sentences)

• Factual claims with sources

• Question-answer format sections

• Speakable schema for voice

Schema Types

Schema Use Case

Article

Blog posts

FAQ

Long-tail questions

HowTo

Tutorials

LocalBusiness

Local SEO

Product

E-commerce

Speakable

Voice/AI

Organization

Brand authority

SEA Recommendations

Ad Copy Structure

• Headlines: 30 chars max, 15 variations

• Descriptions: 90 chars max, 4 variations

• Display URL: Include keyword

• CTA: Clear action words

Keyword Strategy for Ads

• Exact match: [keyword]

• Phrase match: "keyword"

• Negative keywords: Exclude irrelevant

Landing Page Optimization

• Headline matches ad copy

• CTA above fold

• Trust signals (reviews, certifications)

• Page speed <3s

• Mobile responsive

Quality Score Factors

• Ad relevance

• Landing page experience

• Expected CTR

Content Writing Rules

Keyword Distribution (Natural Writing)

See: 06-content-strategy/keyword-distribution.md

Element Target Maximum

Primary keyword 0.5-2% 3%

Secondary keywords 0.3-1% each 2%

Total all keywords 2-3% 5%

Per page structure:

• 1 primary keyword

• 3-5 secondary keywords

• 5-10 semantic/related terms

• 5-15 long-tail variations

• 2-5 local modifiers (if local)

Anti-stuffing rules:

• Never >3% primary density

• Spread keywords naturally

• Use synonyms for variety

• Read aloud test: if awkward, rewrite

Paragraph Structure

• Max 3-4 sentences per paragraph

• Short sentences (15-20 words)

• Bullet points for lists

• Bold on important keywords

E-E-A-T Integration

• Experience: Personal examples, case studies

• Expertise: Data, statistics, sources

• Authority: Expert citations, backlinks

• Trust: Transparency, updates, contact

Linking Strategy

• Internal: 3-5 per 1000 words, descriptive anchors

• External: 2-3 authoritative sources (DA 50+)

Validation Checklist

SEO Checks

• Title 50-60 chars, keyword at start

• Description 120-155 chars with CTA

• H1 unique, contains primary keyword

• Hn hierarchy respected (no skipping)

• URL SEO-friendly, <75 chars

• Images 100% with descriptive alt

• Keyword density 1-2%

• Internal links 3-5 per 1000 words

• Readability Flesch 60-70

• Length adapted to intent (min 1500 for guides)

Cannibalization Checks

• Primary keyword unique to page

• No duplicate H1s

• No competing pages for same query

• Canonical tags set

SEA Checks

• Landing page matches ad intent

• CTA clear and above fold

• Page speed <3s

• Mobile responsive

• Trust signals present

GEO/AI Checks

• Direct answer first 100 words

• FAQ schema implemented

• Structured data valid

• Content AI-parseable

• Concise definitions available

Report Format

SEO/SEA/GEO Report

1. Content Analysis

[Summary + detected intent]

2. Competitive Analysis

3. Cannibalization Audit

4. Keywords

5. On-Page Structure

• Title: [50-60 chars]
• Description: [120-155 chars]
• URL: [SEO-friendly]
• Hn: [Hierarchy]

6. SEA Recommendations

• Headlines: [15 variations]
• Descriptions: [4 variations]
• Negative Keywords: [List]

7. Scores

• SEO: X/100
• SEA: X/100
• GEO: X/100
• Cannibalization Risk: Low/Medium/High

Quick Reference 2026

Core Documentation

Topic Files Key Concepts

Foundations 01-seo-foundations/

Current date (2026), SEO vs GEO paradigm shift, research-first

On-Page 02-onpage-seo/

Meta tags, Open Graph (1200x630px), Twitter Cards, H1-H6, alt text

Schema 03-schema-org/

Article, FAQ, Product, LocalBusiness, Organization, Breadcrumb

GEO 2026 04-geo-2026/

ChatGPT, Gemini, Claude, Perplexity, Copilot, citations, zero-click

Technical 05-technical-seo/

Core Web Vitals (LCP, INP, CLS), mobile-first, crawlability

Content 06-content-strategy/

E-E-A-T, anti-cannibalization, AI content guidelines

SEA 07-sea-google-ads/

Quality Score, landing pages, ad extensions

Measurement 08-measurement/

OmniSEO®, Otterly.ai, Share of Model, analytics

Checklists 09-checklists/

Pre-publication, technical audit, GEO compliance

Local SEO 10-local-seo/

GBP, NAP citations, reviews, Local Pack, local pages

Local SEO (2026)

See: 10-local-seo/ (7 files)

Google Business Profile (32-35% ranking weight)

• Complete all fields (categories, services, hours, photos)

• Weekly posts for engagement (+30%)

• Q&A section with seeded questions

• Photos: geo-tagged, high quality

NAP Citations

• Name, Address, Phone must be identical everywhere

• Priority directories: Yelp, Yellow Pages, BBB, TripAdvisor

• Audit quarterly for inconsistencies

Reviews Strategy (19-20% ranking weight)

• Velocity: consistent new reviews monthly

• Respond to ALL reviews (positive + negative)

• Keywords in reviews help ranking

• Recent reviews matter more than total count

Local Pack (3-Pack) Ranking Factors

• Proximity to searcher

• GBP completeness and activity

• Review signals (quantity, velocity, rating)

• NAP consistency across web

• Local backlinks and citations

• Behavioral signals (clicks, calls, directions)

Local Landing Pages

• Unique content per location (40-60% unique)

• LocalBusiness schema required

• Embed Google Map

• Local testimonials and case studies

New in 2026

GEO (Generative Engine Optimization)

• Zero-Click Reality: 60% of searches don't click

• AI Platforms: ChatGPT (72B messages/mo), Gemini, Claude, Perplexity, Copilot

• Share of Model: % of AI citations in your niche

• Citation Strategies: Princeton 10 tactics (40% visibility boost)

• Tracking Tools: OmniSEO®, Otterly.ai, Rankscale

Open Graph & Twitter Cards (MANDATORY)

• Open Graph: Facebook, LinkedIn, Discord previews (1200x630px)

• Twitter Cards: X.com cards (1200x628px)

• See: 02-onpage-seo/open-graph.md , twitter-cards.md

Complete Schema Coverage

• 9 Schema Types: Article, FAQ, Product, LocalBusiness, Organization, Person, Breadcrumb, HowTo, Review

• E-E-A-T Signals: Author/Publisher schema mandatory

• See: 03-schema-org/ (all files)

E-E-A-T 2026 Updates

• Experience: First-hand knowledge (NEW in 2022)

• AI Content: Allowed if human value added

• Spam Update: Scaled content abuse enforcement

• See: 06-content-strategy/eeat-implementation.md

Workflow Examples

PHASE 2: Research (2026)

Check official guidelines

• Google Search Central (developers.google.com/search)
• Quality Rater Guidelines (January 2025 update)

SERP Analysis

• Top 10 results for target keyword
• AI Overview presence? (16% of queries)
• Featured snippet format?

AI Platform Testing

1. ChatGPT: "Tell me about [keyword]"
2. Google AI Overview: Search on Google
3. Perplexity: "[keyword] latest information"
4. Gemini: "[keyword] comprehensive guide"
5. Copilot: "[keyword] recommendations"

Document which sources are cited

See: 01-seo-foundations/research-workflow.md

PHASE 4: Structure (Complete)

<!-- Meta Tags --> <title>SEO Guide 2026: 47 Proven Techniques | Brand</title> <meta name="description" content="Discover 2026 SEO best practices..."> <link rel="canonical" href="https://example.com/seo-guide-2026">

<!-- Open Graph (Facebook, LinkedIn, Discord) --> <meta property="og:title" content="SEO Guide 2026: 47 Proven Techniques"> <meta property="og:description" content="Discover 2026 SEO best practices..."> <meta property="og:image" content="https://example.com/og-image.jpg"> <meta property="og:url" content="https://example.com/seo-guide-2026"> <meta property="og:type" content="article">

<!-- Twitter Card (X.com) --> <meta name="twitter:card" content="summary_large_image"> <meta name="twitter:title" content="SEO Guide 2026: 47 Proven Techniques"> <meta name="twitter:description" content="Discover 2026 SEO best practices..."> <meta name="twitter:image" content="https://example.com/twitter-card.jpg">

<!-- Schema.org JSON-LD --> <script type="application/ld+json"> { "@context": "https://schema.org", "@type": "Article", "headline": "SEO Guide 2026: 47 Proven Techniques", "image": "https://example.com/featured.jpg", "author": {"@type": "Person", "name": "Jean Dupont"}, "publisher": {"@type": "Organization", "name": "Brand"}, "datePublished": "2026-01-18T10:00:00+00:00" } </script>

See: 02-onpage-seo/meta-tags.md , open-graph.md , twitter-cards.md , 03-schema-org/article-schema.md

Forbidden Behaviors

SEO (Traditional)

• ❌ Keyword stuffing (>3% density)

• ❌ Cloaking or black-hat techniques

• ❌ Duplicate or spun content

• ❌ Ignoring search intent

• ❌ Skipping Hn levels (H2→H4)

• ❌ Meta title >60 chars

• ❌ Generic alt text ("image", "photo")

• ❌ Same primary keyword on multiple pages

GEO (New 2026)

• ❌ No AI platform testing before publication

• ❌ Missing Open Graph / Twitter Cards

• ❌ No citations to sources

• ❌ No statistics / expert quotes

• ❌ Outdated references (pre-2025)

• ❌ Generic content AI cannot parse

• ❌ Missing FAQ schema on Q&A content

• ❌ No quick answer in first 100 words