All SEO Audit Skills

10 standalone SKILL.md files — each covering a specific area of SEO. Click any skill to explore its checks, thresholds, and edge cases.

10
Skills
64
Audit Checks
10
Focus Areas
On-Page Optimization
Content & Structure

Validates heading hierarchy, keyword density and placement, and internal/external link structure for any HTML page.

H1 tag validationHeading hierarchy (H1–H6)Keyword density analysis
Schema / JSON-LD Optimization
Structured Data

Validates existing JSON-LD structured data and suggests relevant schemas based on auto-detected page type. Only checks what is applicable to the current page context.

JSON-LD presence & validityAuto-detect page typeArticle schema fields
Meta Data Optimization
Meta Tags

Validates title tags, meta descriptions, Open Graph tags, and Twitter Cards for search engine and social media optimisation.

Title tag length & qualityMeta description lengthOpen Graph tags (5 required)
Semantic Layout
HTML Structure

Validates HTML5 semantic elements, ARIA landmarks, skip navigation, and page structure for SEO and accessibility.

Required elements (header, main, footer, nav)Recommended elements (article, section, aside)Skip-navigation link
Site Speed Optimization
Performance

Audits stylesheet loading, inline CSS volume, image alt text, image formats, and Next.js Image component usage.

Total external script countInline CSS volumeStylesheet count
Mobile Optimization
Mobile UX

Validates viewport meta configuration, responsive design, font sizes, touch target sizes, and mobile-hostile patterns.

Viewport meta tagFixed-width elementsFont size checks
Backlink Monitoring
Link Profile

Analyses outbound links for dofollow/nofollow strategy, domain diversity, anchor text quality, and sponsored/UGC attributes.

External link identificationDofollow/nofollow ratioSponsored & UGC attributes
International SEO
Multi-Language

Validates hreflang tags, multi-language configuration, regional targeting, and internationalisation best practices.

Hreflang tag validationHTML lang attributeContent-Language meta
Technical SEO
Crawlability

Audits sitemap references, robots.txt directives, canonical tags, crawlability, URL structure, redirect chains, and indexability.

Canonical URL validationRobots meta directivesSitemap references
Core Web Vitals
Performance Metrics

Audits HTML patterns that affect Core Web Vitals (LCP, CLS, INP). Checks for layout shift causes, largest contentful paint blockers, and interaction responsiveness issues.

LCP image optimizationRender-blocking resourcesCLS layout shift prevention