seo-fundamentals

SEO Fundamentals Foundational principles for sustainable search visibility. This skill explains how search engines evaluate quality , not tactical shortcuts. 1. E-E-A-T (Quality Evaluation Framework) E-E-A-T is not a direct ranking factor . It is a framework used by search engines to evaluate content quality , especially for sensitive or high-impact topics. Dimension What It Represents Common Signals Experience First-hand, real-world involvement Original examples, lived experience, demonstrations Expertise Subject-matter competence Credentials, depth, accuracy Authoritativeness Recognition by others Mentions, citations, links Trustworthiness Reliability and safety HTTPS, transparency, accuracy Pages competing in the same space are often differentiated by trust and experience , not keywords. 2. Core Web Vitals (Page Experience Signals) Core Web Vitals measure how users experience a page , not whether it deserves to rank. Metric Target What It Reflects LCP < 2.5s Loading performance INP < 200ms Interactivity CLS < 0.1 Visual stability Important context: CWV rarely override poor content They matter most when content quality is comparable Failing CWV can hold back otherwise good pages 3. Technical SEO Principles Technical SEO ensures pages are accessible, understandable, and stable . Crawl & Index Control Element Purpose XML sitemaps Help discovery robots.txt Control crawl access Canonical tags Consolidate duplicates HTTP status codes Communicate page state HTTPS Security and trust Performance & Accessibility Factor Why It Matters Page speed User satisfaction Mobile-friendly design Mobile-first indexing Clean URLs Crawl clarity Semantic HTML Accessibility & understanding 4. Content SEO Principles Page-Level Elements Element Principle Title tag Clear topic + intent Meta description Click relevance, not ranking H1 Page’s primary subject Headings Logical structure Alt text Accessibility and context Content Quality Signals Dimension What Search Engines Look For Depth Fully answers the query Originality Adds unique value Accuracy Factually correct Clarity Easy to understand Usefulness Satisfies intent 5. Structured Data (Schema) Structured data helps search engines understand meaning , not boost rankings directly. Type Purpose Article Content classification Organization Entity identity Person Author information FAQPage Q&A clarity Product Commerce details Review Ratings context BreadcrumbList Site structure Schema enables eligibility for rich results but does not guarantee them. 6. AI-Assisted Content Principles Search engines evaluate output quality , not authorship method. Effective Use AI as a drafting or research assistant Human review for accuracy and clarity Original insights and synthesis Clear accountability Risky Use Publishing unedited AI output Factual errors or hallucinations Thin or duplicated content Keyword-driven text with no value 7. Relative Importance of SEO Factors There is no fixed ranking factor order . However, when competing pages are similar, importance tends to follow this pattern: Relative Weight Factor Highest Content relevance & quality High Authority & trust signals Medium Page experience (CWV, UX) Medium Mobile optimization Baseline Technical accessibility Technical SEO enables ranking; content quality earns it. 8. Measurement & Evaluation SEO fundamentals should be validated using multiple signals , not single metrics. Area What to Observe Visibility Indexed pages, impressions Engagement Click-through, dwell time Performance CWV field data Coverage Indexing status Authority Mentions and links Key Principle: Sustainable SEO is built on useful content , technical clarity , and trust over time . There are no permanent shortcuts. When to Use This skill is applicable to execute the workflow or actions described in the overview.