Automate Complete Technical SEO Audits for Any Website with One Click (IA included)

Instantly map all internal URLs, perform AI-powered (ChatGPT) analysis, and deliver results in HTML via webhook, Google Sheets, or email.
All from your own n8n instance!

Why this workflow?

• Forget expensive tools: Run deep, visual audits replacing Screaming Frog or Ahrefs.
• Real URL mapping: Reads the sitemap, filters only internal URLs, and analyzes each one individually.
• AI-powered analysis: ChatGPT detects critical issues, recommendations, and best practices on every page.
• Error handling: The workflow includes robust error handling and guides you on what to do in each case.
• Client-ready results: Receive a professional HTML report, an email summary, or push it to Google Sheets for team collaboration.
• Automate by webhook or manually: Use it in backend integrations, or trigger with a button.

🧠 What does the workflow do?

• Automatically detects the sitemap (robots.txt → sitemap.xml).
• Filters only internal URLs (ignores assets, images, scripts, etc).
• Fetches the full HTML content of each URL.
• Uses ChatGPT (GPT-4o-mini) for professional diagnostics (meta tags, headings, hreflang, Open Graph, links, duplicate content, etc).
• Groups results (critical issues, recommendations, best practices) and presents them as:
  • Professional HTML report (ready to send/share)
  • Google Sheets (collaborative structure)
  • Webhook or HTML email (for automation)

🛠️ Technologies/APIs Used

• n8n (self-hosted or cloud instance required)
• ChatGPT API (required, approx. cost: €0.01 per 20 URLs analyzed)
• Google Drive/Sheets API (only for Google Sheets output)
• Email SMTP/Gmail (for notifications)

⚡ Who should use it?

• SEOs and agencies needing technical reports in minutes
• Freelancers automating client SEO audits
• Web developers and growth hackers
• Website owners/businesses with multiple sites

🎯 Problems solved

• Slow, manual SEO auditing
• Dependence on expensive SaaS
• Lack of full-site coverage: every URL is checked with actionable recommendations
• Fast, visual delivery to clients (HTML “copy-paste” report and/or collaborative sheet)

📝 Quick Setup

1. Import the .json into your n8n.
2. Add your credentials:
   • OpenAI (ChatGPT) API Key
   • Google account (only for Google Sheets output)
3. Run manually or via webhook (you can pass the URL as a parameter).
4. View the results in the generated HTML, Google Sheets, or your email.

💡 Details & Tips

• Just enter the domain (example.com) without https:// and no trailing slash.
• If any error occurs (unusual sitemap, robots blocked, etc), the error messages are explained.
• You can change the analysis language (default is Spanish).
• 100% customizable and extendable for other outputs (Notion, Slack, etc).

📦 What’s included?

• n8n workflow file (SEO n8n.json)
• Quick install guide (README)
• Direct support: oriolrotllant3@gmail.com
• More info and photos contact oriolrotllant3@gmail.com

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