Agent skill · marketing growth · aiskillstore
seo-fundamentals
Core principles of SEO including E-E-A-T, Core Web Vitals, technical foundations, content quality, and how modern search engines evaluate pages.
Why this skill is useful
Codifies SEO principles and frameworks that guide content quality evaluation, which the AI may not explicitly know.
What it needs
About 3k tokens when loaded. Last updated 2026-08-07. 405 stars on the source repository.
What this skill does
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. …
How to use it
Reference it in AdaL, Claude Code, Cursor or any coding agent — nothing to install:
@skills aiskillstore/seo-fundamentals--91a36f