SEO Audit

Audit websites for SEO, technical, content, security, JS rendering, and AI readiness using SEOmator CLI. Returns LLM-optimized reports with health scores across 373 rules and 20 categories, and can diff two audits to show what a deploy changed. Use when analyzing websites, debugging SEO issues, checking site health, or comparing a site before and after a change.

656 stars 78 forksMarketing, Sales & Business

Install

skills CLI (Claude Code, Cursor, Codex and more)
npx skills add seo-skills/seo-audit-skill --skill seo-audit
Manual install
git clone --depth 1 https://github.com/seo-skills/seo-audit-skill.git /tmp/seo-audit-skill
mkdir -p ~/.claude/skills
cp -r /tmp/seo-audit-skill/. ~/.claude/skills/seo-audit

Personal skills live in ~/.claude/skills. Use .claude/skills in a project folder to share a skill with your team.

From the SKILL.md

# SEO Audit Skill

Audit websites for SEO, technical, content, performance, security, JavaScript rendering, and AI readiness using the SEOmator CLI.

SEOmator provides comprehensive website auditing by analyzing website structure and content against **373 rules** across **20 categories**.

It provides a list of issues with severity levels, affected URLs, and actionable fix suggestions.

## Links

* SEOmator npm package: [npmjs.com/package/@seomator/seo-audit](https://www.npmjs.com/package/@seomator/seo-audit)
* GitHub repository: [github.com/seo-skills/seo-audit-skill](https://github.com/seo-skills/seo-audit-skill)
* Web UI: [seomator.com/free-seo-audit-tool](https://seomator.com/free-seo-audit-tool)

## What This Skill Does

This skill enables AI agents to audit websites for **373 rules** in **20 categories**, including:

- **Core SEO** (24 rules): Canonical URLs, indexing directives, title uniqueness, canonical conflicts/loops
- **Performance** (28 rules): LCP, CLS, FCP, TTFB, INP, compression, caching, minification, HTTP/2
- **Links** (27 rules): Broken links, redirect chains, anchor text, localhost/fragment links, plus click depth and inbound internal links from the site graph (`--crawl`)
- **Images** (14 rules): Alt text, dimensions, lazy loading, modern formats, alt length, background images
- **Security** (26 rules): HTTPS, HSTS, CSP, external link safety, leaked secrets, SSL expiry/protocol, cookie flags and lifetime
Read the full skill on GitHub

Details

Skill name
seo-audit
Repository
seo-skills/seo-audit-skill
License
MIT
Repo updated
15 October 2026

FAQ

What does the SEO Audit skill do?

Audit websites for SEO, technical, content, security, JS rendering, and AI readiness using SEOmator CLI. Returns LLM-optimized reports with health scores across 373 rules and 20 categories, and can diff two audits to show what a deploy changed. Use when analyzing websites, debugging SEO issues, checking site health, or comparing a site before and after a change.

How do I install the SEO Audit skill?

skills CLI (Claude Code, Cursor, Codex and more): npx skills add seo-skills/seo-audit-skill --skill seo-audit. Skills go in ~/.claude/skills (personal) or .claude/skills (project), and Claude loads them automatically when a task matches the description.

Is SEO Audit popular?

It lives in seo-skills/seo-audit-skill, which has 656 GitHub stars and 78 forks.

Related skills

AI Startup Skills

616

huaxialucaicaizi/ai-startup-skills

Use when a founder or one-person company (一人公司/OPC) building an AI product in China needs end-to-end startup help and it is unclear which step they are on. Routes by stage through a 7-step journey - MVP validation, business plan, policy and subsidies, roadshow, growth, pricing and sales, registration and compliance - to the matching sub-skill in skills/.

Marketing, Sales & Business33

Instagram Marketing

682

sergebulaev/instagram-skills

Plan, draft, audit, and publish content for Instagram. Use when the user wants to write a caption with a first-125-char hook, plan a slide-by-slide carousel, reverse-engineer the hook from a viral Reel or carousel, size hashtags the 2026 way, remove AI tells from a caption, or plan a week of Reels and carousels. Instagram requires media on every post, so the skills write the caption and the user supplies the image or video; posts publish via the Publora API draft, upload, schedule flow.

Marketing, Sales & Business153

Ad Angle Multiplier

769

realkimbarrett/advertising-skills

Expand a core idea into multiple distinct ad angles. Trigger on "more ads", "creative testing", "scale campaigns".

Marketing, Sales & BusinessIn 1 list68

SEO Ops

986

tigerless-labs/seo-ops

Structural checklist and checker script for SEO foundation engineering. Use when reviewing or accepting a site/page for SEO/GEO structural compliance (robots, sitemap, canonical, 301 canonicalization, JSON-LD, OG, hreflang, CWV, AI crawler access, rendering strategy), when running the machine checks to produce a report, or when judging whether a frontend change will affect indexing and citation. Also for answering "what exactly does this check require" and "why does it exist".

Marketing, Sales & Business45

Full Funnel Campaign Orchestrator

769

realkimbarrett/advertising-skills

Coordinate all skills to build a complete advertising campaign. Trigger on "build a campaign", "full funnel", "ads + funnel".

Marketing, Sales & BusinessIn 1 list68

Ecommerce Visual Copywriting

988

feichanggege/ecommerce-visual-copywriting-skill

将商品资料、包装与资质、目标平台、目标人群和视觉参考转成可执行的电商视觉方案，包括转化策略、Campaign Style Lock、主图/详情页/Listing/A+ Storyboard、图内文案、设计说明、生图 Prompt、证据与合规审查。适用于淘宝、天猫、京东、拼多多、抖音小店、小红书、视频号/微信小店，以及 Amazon、Shopify、TikTok Shop、Temu、Shopee、Lazada；用户需要商品图、详情页、图内文案、设计师执行稿或跨境商品本地化时使用。不适用于纯短视频/直播话术、投放与店铺运营优化、需律师出具的最终法律结论（可做风险筛查）；不自动上架或发布。不得编造资质、数据、销量、评价、认证或功效；涉及当前平台规则或高风险合规结论时核验官方来源。

Marketing, Sales & Business106

Browse the most popular Claude skills, all marketing, sales & business skills, or write your own with the skills generator.