Core principles of SEO including E-E-A-T, Core Web Vitals, technical foundations, content quality, and how modern search engines evaluate pages. This skill explains *why* SEO works, not how to execute specific optimizations.
Install
npx skills add sickn33/agentic-awesome-skills --skill seo-fundamentalsnpx skills add sickn33/agentic-awesome-skills --skill seo-fundamentals -a claude-code -gnpx skills add sickn33/agentic-awesome-skills --skill seo-fundamentals -a codex -ggemini skills install https://github.com/sickn33/agentic-awesome-skills.git --path skills/seo-fundamentalsgh skill install sickn33/agentic-awesome-skills seo-fundamentalsgit clone --depth 1 https://github.com/sickn33/agentic-awesome-skills /tmp/sickn33__agentic-awesome-skills
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/sickn33__agentic-awesome-skills/skills/seo-fundamentals ~/.claude/skills/seo-fundamentals # Claude Code
cp -R /tmp/sickn33__agentic-awesome-skills/skills/seo-fundamentals ~/.agents/skills/seo-fundamentals # Codex, Cursor, Gemini CLI, Copilot, OpenCode