seo-audit

When the user wants to run an SEO audit, technical SEO audit, or site health check. Also use when the user mentions "SEO audit," "technical audit," "site…

INSTALLATION
npx skills add https://github.com/kostja94/marketing-skills --skill seo-audit
Run in your project or agent environment. Adjust flags if your CLI version differs.

SKILL.md

$27

Item

Check

Skill

robots.txt

Syntax; not blocking important pages

robots-txt

Sitemap

Submitted to GSC; indexable pages only; ≤50K URLs per sitemap

xml-sitemap

HTTPS

Sitewide; valid certificate

canonical-tag

404/5xx

Proper status codes; fix or redirect

site-crawlability

noindex

No accidental noindex on key pages

indexing

Canonical

Correct; no conflicts

canonical-tag

Core Web Vitals

LCP ≤2.5s, INP ≤200ms, CLS <0.1

core-web-vitals

Mobile

Mobile-first; content parity; no intrusive interstitials

mobile-friendly

Crawlability

Redirect chains, broken links, orphan pages

site-crawlability

On-Page Checklist

Item

Check

Skill

Title

Unique; 50–60 chars; keyword in first 10 words

title-tag

Meta description

150–160 chars; CTA

meta-description

Headings

One H1; H1→H2→H3 hierarchy

heading-structure

Images

Alt text; no decorative alt for decorative images

image-optimization

Schema

Valid; Rich Results Test

schema-markup

Internal links

From strong pages; descriptive anchors

internal-links

Duplicate content

Canonical; consolidate or differentiate

canonical-tag

Content &#x26; Off-Page

Phase

Focus

Skill

Content gap

Missing topics vs competitors

content-strategy, competitor-research

Intent match

Content matches search intent

content-optimization

Backlinks

Toxic links; link gap vs competitors

backlink-analysis, link-building

Frequency

Cadence

Use

Full audit

Quarterly

Check-ins

Monthly (GSC, indexing, Core Web Vitals)

Output Format

  • Phase 1–4 findings (technical → on-page → content → off-page)
  • Priority list (P0 blocker → P1 core → P2 important)
  • Skill mapping (which skill for each fix)
  • Timeline (immediate vs short-term vs ongoing)

Related Skills

  • seo-strategy: Workflow order, prioritization, when to invest in SEO
  • google-search-console: Performance, indexing, Core Web Vitals data
  • site-crawlability: Redirect chains, broken links, crawl budget
  • indexing: Indexing issues, noindex, Search Console
  • core-web-vitals: LCP, INP, CLS optimization
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