Revise SEO fundamentals skill content and structure
Updated the SEO fundamentals skill document to enhance descriptions, clarify principles, and improve formatting.
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Munir Abbasi
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```yaml
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---
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name: seo-fundamentals
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description: SEO fundamentals, E-E-A-T, Core Web Vitals, and Google algorithm principles.
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description: >
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Core principles of SEO including E-E-A-T, Core Web Vitals, technical foundations,
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content quality, and how modern search engines evaluate pages. This skill explains
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*why* SEO works, not how to execute specific optimizations.
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allowed-tools: Read, Glob, Grep
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---
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```
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---
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# SEO Fundamentals
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> Principles for search engine visibility.
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> **Foundational principles for sustainable search visibility.**
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> This skill explains *how search engines evaluate quality*, not tactical shortcuts.
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---
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## 1. E-E-A-T Framework
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## 1. E-E-A-T (Quality Evaluation Framework)
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| Principle | Signals |
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|-----------|---------|
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| **Experience** | First-hand knowledge, real examples |
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| **Expertise** | Credentials, depth of knowledge |
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| **Authoritativeness** | Backlinks, mentions, industry recognition |
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| **Trustworthiness** | HTTPS, transparency, accurate info |
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E-E-A-T is **not a direct ranking factor**.
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It is a framework used by search engines to **evaluate content quality**, especially for sensitive or high-impact topics.
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| Dimension | What It Represents | Common Signals |
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| --------------------- | ---------------------------------- | --------------------------------------------------- |
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| **Experience** | First-hand, real-world involvement | Original examples, lived experience, demonstrations |
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| **Expertise** | Subject-matter competence | Credentials, depth, accuracy |
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| **Authoritativeness** | Recognition by others | Mentions, citations, links |
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| **Trustworthiness** | Reliability and safety | HTTPS, transparency, accuracy |
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> Pages competing in the same space are often differentiated by **trust and experience**, not keywords.
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---
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## 2. Core Web Vitals
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## 2. Core Web Vitals (Page Experience Signals)
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| Metric | Target | Measures |
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|--------|--------|----------|
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| **LCP** | < 2.5s | Loading performance |
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| **INP** | < 200ms | Interactivity |
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| **CLS** | < 0.1 | Visual stability |
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Core Web Vitals measure **how users experience a page**, not whether it deserves to rank.
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| Metric | Target | What It Reflects |
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| ------- | ------- | ------------------- |
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| **LCP** | < 2.5s | Loading performance |
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| **INP** | < 200ms | Interactivity |
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| **CLS** | < 0.1 | Visual stability |
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**Important context:**
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* CWV rarely override poor content
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* They matter most when content quality is comparable
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* Failing CWV can *hold back* otherwise good pages
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---
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## 3. Technical SEO Principles
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### Site Structure
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Technical SEO ensures pages are **accessible, understandable, and stable**.
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| Element | Purpose |
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|---------|---------|
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| XML sitemap | Help crawling |
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| robots.txt | Control access |
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| Canonical tags | Prevent duplicates |
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| HTTPS | Security signal |
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### Crawl & Index Control
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### Performance
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| Element | Purpose |
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| ----------------- | ---------------------- |
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| XML sitemaps | Help discovery |
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| robots.txt | Control crawl access |
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| Canonical tags | Consolidate duplicates |
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| HTTP status codes | Communicate page state |
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| HTTPS | Security and trust |
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| Factor | Impact |
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|--------|--------|
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| Page speed | Core Web Vital |
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| Mobile-friendly | Ranking factor |
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| Clean URLs | Crawlability |
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### Performance & Accessibility
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| Factor | Why It Matters |
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| ---------------------- | ----------------------------- |
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| Page speed | User satisfaction |
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| Mobile-friendly design | Mobile-first indexing |
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| Clean URLs | Crawl clarity |
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| Semantic HTML | Accessibility & understanding |
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---
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## 4. Content SEO Principles
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### Page Elements
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### Page-Level Elements
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| Element | Best Practice |
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|---------|---------------|
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| Title tag | 50-60 chars, keyword front |
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| Meta description | 150-160 chars, compelling |
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| H1 | One per page, main keyword |
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| H2-H6 | Logical hierarchy |
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| Alt text | Descriptive, not stuffed |
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| Element | Principle |
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| ---------------- | ---------------------------- |
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| Title tag | Clear topic + intent |
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| Meta description | Click relevance, not ranking |
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| H1 | Page’s primary subject |
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| Headings | Logical structure |
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| Alt text | Accessibility and context |
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### Content Quality
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### Content Quality Signals
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| Factor | Importance |
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|--------|------------|
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| Depth | Comprehensive coverage |
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| Freshness | Regular updates |
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| Uniqueness | Original value |
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| Readability | Clear writing |
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| Dimension | What Search Engines Look For |
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| ----------- | ---------------------------- |
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| Depth | Fully answers the query |
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| Originality | Adds unique value |
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| Accuracy | Factually correct |
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| Clarity | Easy to understand |
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| Usefulness | Satisfies intent |
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---
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## 5. Schema Markup Types
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## 5. Structured Data (Schema)
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| Type | Use |
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|------|-----|
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| Article | Blog posts, news |
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| Organization | Company info |
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| Person | Author profiles |
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| FAQPage | Q&A content |
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| Product | E-commerce |
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| Review | Ratings |
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| BreadcrumbList | Navigation |
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Structured data helps search engines **understand meaning**, not boost rankings directly.
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| Type | Purpose |
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| -------------- | ---------------------- |
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| Article | Content classification |
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| Organization | Entity identity |
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| Person | Author information |
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| FAQPage | Q&A clarity |
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| Product | Commerce details |
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| Review | Ratings context |
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| BreadcrumbList | Site structure |
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> Schema enables eligibility for rich results but does not guarantee them.
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---
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## 6. AI Content Guidelines
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## 6. AI-Assisted Content Principles
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### What Google Looks For
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Search engines evaluate **output quality**, not authorship method.
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| ✅ Do | ❌ Don't |
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|-------|----------|
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| AI draft + human edit | Publish raw AI content |
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| Add original insights | Copy without value |
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| Expert review | Skip fact-checking |
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| Follow E-E-A-T | Keyword stuffing |
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### Effective Use
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* AI as a drafting or research assistant
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* Human review for accuracy and clarity
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* Original insights and synthesis
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* Clear accountability
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### Risky Use
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* Publishing unedited AI output
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* Factual errors or hallucinations
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* Thin or duplicated content
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* Keyword-driven text with no value
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---
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## 7. Ranking Factors (Prioritized)
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## 7. Relative Importance of SEO Factors
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| Priority | Factor |
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|----------|--------|
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| 1 | Quality, relevant content |
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| 2 | Backlinks from authority sites |
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| 3 | Page experience (Core Web Vitals) |
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| 4 | Mobile optimization |
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| 5 | Technical SEO fundamentals |
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There is **no fixed ranking factor order**.
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However, when competing pages are similar, importance tends to follow this pattern:
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| Relative Weight | Factor |
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| --------------- | --------------------------- |
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| Highest | Content relevance & quality |
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| High | Authority & trust signals |
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| Medium | Page experience (CWV, UX) |
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| Medium | Mobile optimization |
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| Baseline | Technical accessibility |
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> Technical SEO enables ranking; content quality earns it.
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---
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## 8. Measurement
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## 8. Measurement & Evaluation
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| Metric | Tool |
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|--------|------|
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| Rankings | Search Console, Ahrefs |
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| Traffic | Analytics |
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| Core Web Vitals | PageSpeed Insights |
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| Indexing | Search Console |
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| Backlinks | Ahrefs, Semrush |
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SEO fundamentals should be validated using **multiple signals**, not single metrics.
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| Area | What to Observe |
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| ----------- | -------------------------- |
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| Visibility | Indexed pages, impressions |
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| Engagement | Click-through, dwell time |
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| Performance | CWV field data |
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| Coverage | Indexing status |
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| Authority | Mentions and links |
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---
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> **Remember:** SEO is a long-term game. Quality content + technical excellence + patience = results.
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> **Key Principle:**
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> Sustainable SEO is built on *useful content*, *technical clarity*, and *trust over time*.
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> There are no permanent shortcuts.
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