SEO Fundamentals
Principles for search engine visibility.
1. E-E-A-T Framework
| Principle | Signals | |-----------|---------| | Experience | First-hand knowledge, real examples | | Expertise | Credentials, depth of knowledge | | Authoritativeness | Backlinks, mentions, industry recognition | | Trustworthiness | HTTPS, transparency, accurate info |
2. Core Web Vitals
| Metric | Target | Measures | |--------|--------|----------| | LCP | < 2.5s | Loading performance | | INP | < 200ms | Interactivity | | CLS | < 0.1 | Visual stability |
3. Technical SEO Principles
Site Structure
| Element | Purpose | |---------|---------| | XML sitemap | Help crawling | | robots.txt | Control access | | Canonical tags | Prevent duplicates | | HTTPS | Security signal |
Performance
| Factor | Impact | |--------|--------| | Page speed | Core Web Vital | | Mobile-friendly | Ranking factor | | Clean URLs | Crawlability |
4. Content SEO Principles
Page Elements
| Element | Best Practice | |---------|---------------| | Title tag | 50-60 chars, keyword front | | Meta description | 150-160 chars, compelling | | H1 | One per page, main keyword | | H2-H6 | Logical hierarchy | | Alt text | Descriptive, not stuffed |
Content Quality
| Factor | Importance | |--------|------------| | Depth | Comprehensive coverage | | Freshness | Regular updates | | Uniqueness | Original value | | Readability | Clear writing |
5. Schema Markup Types
| Type | Use | |------|-----| | Article | Blog posts, news | | Organization | Company info | | Person | Author profiles | | FAQPage | Q&A content | | Product | E-commerce | | Review | Ratings | | BreadcrumbList | Navigation |
6. AI Content Guidelines
What Google Looks For
| ✅ Do | ❌ Don't | |-------|----------| | AI draft + human edit | Publish raw AI content | | Add original insights | Copy without value | | Expert review | Skip fact-checking | | Follow E-E-A-T | Keyword stuffing |
7. Ranking Factors (Prioritized)
| Priority | Factor | |----------|--------| | 1 | Quality, relevant content | | 2 | Backlinks from authority sites | | 3 | Page experience (Core Web Vitals) | | 4 | Mobile optimization | | 5 | Technical SEO fundamentals |
8. Measurement
| Metric | Tool | |--------|------| | Rankings | Search Console, Ahrefs | | Traffic | Analytics | | Core Web Vitals | PageSpeed Insights | | Indexing | Search Console | | Backlinks | Ahrefs, Semrush |
Remember: SEO is a long-term game. Quality content + technical excellence + patience = results.