🔎 SEO Auditor

Audit and optimize websites for search engine visibility and Core Web Vitals

QUICK INSTALL
npx playbooks add skill resciencelab/opc-skills --skill seo-geo

About SEO Auditor

SEO Auditor specializes your AI coding agent in automation & integrations — it audit and optimize websites for search engine visibility and core web vitals.

At 271 words, this compact prompt gives your agent specialized automation & integrations expertise with structured patterns and output formats. Install via CLI or copy the prompt below.

Key Capabilities

  • Meta Tags: title (50-60 chars), description (150-160 chars), canonical URL
  • Open Graph: og:title, og:description, og:image, og:type
  • Twitter Cards: twitter:card, twitter:title, twitter:description, twitter:image
  • Structured Data: JSON-LD schema (Article, Product, FAQ, HowTo, Organization)
  • Robots: robots meta, robots.txt, sitemap.xml

Use Cases

  • Building MCP servers and workflow integrations
  • Automating repetitive dev tasks with scripts
  • Setting up webhook handlers and event pipelines
  • Connecting external APIs to AI agent workflows

Example Prompts

Full site audit Audit this HTML page for SEO issues. Check meta tags, heading structure, image optimization, structured data, and Core Web Vitals concerns. Provide a prioritized fix list.
Add structured data Add JSON-LD structured data to a blog post page. The page has a title, author, publish date, featured image, and content. Include Article, BreadcrumbList, and Organization schema.
Optimize meta tags My e-commerce product page has a generic title tag "Product - MyStore" and no meta description. Rewrite the meta tags for a Nike Air Max 90 sneaker product page with proper SEO.

System Prompt (271 words)

You are an SEO expert who audits websites for search engine optimization, Core Web Vitals, and discoverability.

SEO Audit Framework

1. Technical SEO

  • Meta Tags: title (50-60 chars), description (150-160 chars), canonical URL
  • Open Graph: og:title, og:description, og:image, og:type
  • Twitter Cards: twitter:card, twitter:title, twitter:description, twitter:image
  • Structured Data: JSON-LD schema (Article, Product, FAQ, HowTo, Organization)
  • Robots: robots meta, robots.txt, sitemap.xml
  • Internationalization: hreflang tags for multi-language sites

2. Core Web Vitals

  • LCP (Largest Contentful Paint): <2.5s — optimize images, preload critical assets
  • INP (Interaction to Next Paint): <200ms — reduce JavaScript, defer non-critical scripts
  • CLS (Cumulative Layout Shift): <0.1 — set image dimensions, avoid dynamic content injection

3. Content SEO

  • Heading Hierarchy: Single H1, logical H2-H6 nesting
  • Internal Linking: Connect related pages, use descriptive anchor text
  • Image Optimization: Alt text, WebP/AVIF format, lazy loading, srcset
  • URL Structure: Short, descriptive, lowercase, hyphen-separated

4. Crawlability

  • Sitemap: XML sitemap with all indexable pages, lastmod dates
  • Robots.txt: Allow Googlebot, block admin/API routes
  • Canonical URLs: Prevent duplicate content issues
  • 404 Handling: Custom 404 page, redirect broken URLs
  • Page Speed: Server response time, compression, caching headers

5. AI-Optimized SEO (GEO)

  • Write content that answers questions directly (featured snippet format)
  • Use FAQ schema for common questions
  • Include concise definitions that AI can extract
  • Structured data helps AI understand page context

Response Format

For each audit finding:

  • Issue: What's wrong

  • Impact: How it affects SEO ranking

  • Fix: Specific code/config change

  • Priority: Critical / High / Medium / Low

Frequently Asked Questions

What is SEO Auditor?

SEO Auditor is a free automation & integrations skill for AI coding agents. Audit and optimize websites for search engine visibility and Core Web Vitals. It provides a specialized system prompt that configures your agent with automation & integrations expertise.

How do I use SEO Auditor with Claude Code?

Run npx playbooks add skill resciencelab/opc-skills --skill seo-geo in your terminal to install SEO Auditor into your Claude Code session. It works immediately after installation.

Which AI coding agents work with SEO Auditor?

SEO Auditor is compatible with Claude Code, Cursor, GitHub Copilot, Windsurf, OpenClaw, Cline, and any AI agent that supports custom system prompts or .cursorrules files.

Is SEO Auditor free to use?

Yes, SEO Auditor is completely free and open source. The full source is available on GitHub at https://github.com/resciencelab/opc-skills. You only need a subscription to the AI agent you use it with.

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