# F9XR's SEO CodeBase Auditor SKILL > Enterprise-grade SEO auditing for static code repositories. 24 pillars, one file, production-ready fix blocks. ## Key Files - SKILL.md: The audit skill file - drop into any project root and run with @SKILL.md - index.html: Project landing page with documentation and prompt templates - DESIGN.md: Design system tokens, typography, spacing, and component specifications - Frontend-Design.md: Design philosophy and visual principles - prompts.txt: Collection of SEO audit prompts for various use cases ## Core Features - 24-pillar SEO audit coverage - 5-pass audit workflow (Discover, Analyze, Prioritize, Report, Critique) - Priority Fix Matrix capped at 20 items - Per-pillar evaluations with current code and fix blocks - CSV export for spreadsheet integration - Context-aware pillar selection (suppresses irrelevant checks) ## Reference URLs - Project: https://github.com/f9xr/seo-audit-report-skill - Organization: https://f9xr.github.io - Google Search Central: https://developers.google.com/search/docs - Schema.org: https://schema.org/ - Core Web Vitals: https://web.dev/vitals/ - IndexNow Protocol: https://www.bing.com/IndexNow