---
id: kostja94/marketing-skills/seo-audit
version: "0c092664"
license: MIT
install: manual
updated: 2026-06-09
---

# seo-audit — This skill enables AI agents to conduct thorough SEO audits by evaluating technical infrastructure, on-page elements, content quality, and backlink profiles. It surfaces actionable insights across all major ranking factors, helping teams prioritize improvements and track performance gains over time.

Publisher: kostja94 · Stars: 762 · Updated: 2026-06-09

Install (manual): `git clone https://github.com/kostja94/marketing-skills`

## SKILL.md

# Strategies: SEO Audit

Guides end-to-end SEO audit: technical foundation, on-page, content, and off-page. Execute in order—technical blockers prevent indexing; on-page limits rankings; content and off-page build authority. Use when auditing an existing site or planning fixes.

**When invoking**: On **first use**, if helpful, open with 1–2 sentences on what this skill covers and why it matters, then provide the main output. On **subsequent use** or when the user asks to skip, go directly to the main output.

## Audit Order

| Phase | Focus | Skills |
|-------|-------|--------|
| **1. Technical** | Crawl, index, sitemap | robots-txt, xml-sitemap, canonical-tag, indexing, site-crawlability |
| **2. On-Page** | Metadata, structure, schema | title-tag, meta-description, page-metadata, schema-markup, internal-links, heading-structure |
| **3. Content** | Gaps, intent, optimization | keyword-research, content-strategy, content-optimization |
| **4. Off-Page** | Backlinks, authority | link-building, backlink-analysis |

**Principle**: Fix foundation before optimizing pages. See **seo-strategy** for workflow and prioritization.

## Technical Checklist

| 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 & 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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