Codex SEO can be triggered through natural-language prompts or direct skill invocation with $skill-name.
Full website SEO audit with parallel analysis.
Example:
$seo-audit https://example.com
What it does:
- Crawls up to 500 pages
- Detects business type
- Delegates to 6 specialist subagents in parallel
- Generates SEO Health Score (0-100)
- Creates prioritized action plan
Output:
FULL-AUDIT-REPORT.mdACTION-PLAN.mdscreenshots/(if Playwright available)
Deep single-page analysis.
Example:
$seo-page https://example.com/about
What it analyzes:
- On-page SEO (title, meta, headings, URLs)
- Content quality (word count, readability, E-E-A-T)
- Technical elements (canonical, robots, Open Graph)
- Schema markup
- Images (alt text, sizes, formats)
- Core Web Vitals potential issues
Technical SEO audit across 8 categories.
Example:
$seo-technical https://example.com
Categories:
- Crawlability
- Indexability
- Security
- URL Structure
- Mobile Optimization
- Core Web Vitals (LCP, INP, CLS)
- Structured Data
- JavaScript Rendering
E-E-A-T and content quality analysis.
Example:
$seo-content https://example.com/blog/post
What it evaluates:
- Experience signals (first-hand knowledge)
- Expertise (author credentials)
- Authoritativeness (external recognition)
- Trustworthiness (transparency, security)
- AI citation readiness
- Content freshness
Schema markup detection, validation, and generation.
Example:
$seo-schema https://example.com
What it does:
- Detects existing schema (JSON-LD, Microdata, RDFa)
- Validates against Google's requirements
- Identifies missing opportunities
- Generates ready-to-use JSON-LD
AI Overviews / Generative Engine Optimization.
Example:
$seo-geo https://example.com/blog/guide
What it analyzes:
- Citability score (quotable facts, statistics)
- Structural readability (headings, lists, tables)
- Entity clarity (definitions, context)
- Authority signals (credentials, sources)
- Structured data support
Image optimization analysis.
Example:
$seo-images https://example.com
What it checks:
- Alt text presence and quality
- File sizes (flag >200KB)
- Formats (WebP/AVIF recommendations)
- Responsive images (srcset, sizes)
- Lazy loading
- CLS prevention (dimensions)
Analyze existing XML sitemap.
Example:
$seo-sitemap https://example.com/sitemap.xml
What it validates:
- XML format
- URL count (<50k per file)
- URL status codes
- lastmod accuracy
- Deprecated tags (priority, changefreq)
- Coverage vs crawled pages
Generate new sitemap with industry templates.
Example:
$seo-sitemap generate
Process:
- Select or auto-detect business type
- Interactive structure planning
- Apply quality gates (30/50 location page limits)
- Generate valid XML
- Create documentation
Strategic SEO planning.
Types: saas, local, ecommerce, publisher, agency
Example:
$seo-plan saas
What it creates:
- Complete SEO strategy
- Competitive analysis
- Content calendar
- Implementation roadmap (4 phases)
- Site architecture design
Competitor comparison page generation.
Examples:
$seo-competitor-pages https://example.com/vs/competitor
$seo-competitor-pages generate
Capabilities:
- Generate "X vs Y" comparison page layouts
- Create "Alternatives to X" page structures
- Build feature comparison matrices with scoring
- Generate Product + AggregateRating schema markup
- Apply conversion-optimized CTA placement
- Enforce fairness guidelines (accurate data, source citations)
Hreflang and international SEO audit and generation.
Example:
$seo-hreflang https://example.com
Capabilities:
- Validate self-referencing hreflang tags
- Check return tag reciprocity (A→B requires B→A)
- Verify x-default tag presence
- Validate ISO 639-1 language and ISO 3166-1 region codes
- Check canonical URL alignment with hreflang
- Detect protocol mismatches (HTTP vs HTTPS)
- Generate correct hreflang link tags and sitemap XML
Programmatic SEO analysis and planning for pages generated at scale.
Examples:
$seo-programmatic https://example.com/tools/
$seo-programmatic plan
Capabilities:
- Assess data source quality (CSV, JSON, API, database)
- Plan template engines with unique content per page
- Design URL pattern strategies (
/tools/[tool-name],/[city]/[service]) - Automate internal linking (hub/spoke, related items, breadcrumbs)
- Enforce thin content safeguards (quality gates, word count thresholds)
- Prevent index bloat (noindex low-value, pagination, faceted nav)
| Command | Use Case |
|---|---|
$seo-audit <url> |
Full website audit |
$seo-competitor-pages [url|generate] |
Competitor comparison pages |
$seo-content <url> |
E-E-A-T analysis |
$seo-geo <url> |
AI search optimization |
$seo-hreflang [url] |
Hreflang/i18n SEO audit |
$seo-images <url> |
Image optimization |
$seo-page <url> |
Single page analysis |
$seo-plan <type> |
Strategic planning |
$seo-programmatic [url|plan] |
Programmatic SEO analysis |
$seo-schema <url> |
Schema validation |
$seo-sitemap <url> |
Sitemap validation |
$seo-sitemap generate |
Create new sitemap |
$seo-technical <url> |
Technical SEO check |