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Automate WordPress SEO Optimization with GPT-5 nano + Yoast SEO

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Created by: Oriol Seguí || oxsr11

Oriol Seguí

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Last update 4 days ago

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Optimize your WordPress titles and meta descriptions with AI (OpenAI), update them directly in Yoast SEO, log results in Google Sheets, and receive a styled report by email.
All from your own n8n instance.

✨ Why this workflow?

Forget spending hours editing metadata manually: this flow automates SEO generation and updates with the help of AI.

  • Fully documented: every block includes notes so you can easily understand how it works.
  • Error-proof: reinforced with alternatives and clear alerts if something fails (nested sitemaps, blocks, etc).
  • Flexible and easy to modify: change language, keywords, or domain in one single node (OPTIONS).
  • Basic support included: designed so anyone can set it up without being an expert.

🧠 What does the workflow do?

  • Reads the sitemap or internal WordPress URLs (posts or pages).
  • The website content is sent to ChatGPT (GPT-5-nano), which analyzes it and generates a personalized SEO title and meta description for higher precision.
  • Updates the Yoast SEO fields in WordPress automatically.
  • Logs each result (URL, TITLE, META) into Google Sheets.
  • Sends a professional HTML email report with a summary of the updates.

🛠️ Technologies & APIs Used

  • n8n (cloud or self-hosted instance).
  • OpenAI (GPT-5-nano / GPT-4o-mini).
  • Google Sheets API (to store results).
  • Gmail/SMTP (for notifications).
  • Yoast SEO plugin in WordPress (required to update meta fields).

⚡ Who is it for?

  • Agencies & SEOs managing multiple sites.
  • Freelancers delivering extra value to clients.
  • Businesses with WordPress wanting to improve SEO without expensive SaaS.
  • Webmasters & marketers needing clear, automated reporting.
  • Curious in the world of n8n

🎯 Problems solved

  • No more manual editing of metadata for each post or page.
  • Eliminates dependence on overpriced third-party tools.
  • Creates an automatic SEO history of your site in Google Sheets.
  • Sends clear, professional reports of every update.

📝 Quick Setup

  1. Import the .json into your n8n.

  2. Add your credentials:

    • WordPress API (Yoast SEO installed required).
    • OpenAI API Key.
    • Google Sheets (optional).
    • Email (SMTP or Gmail).

  3. Adjust language, keywords, and domain in the OPTIONS node.

  4. Run manually or via webhook.

💡 Tips

  • Change the language in OPTIONS to adapt SEO outputs to your target market.
  • If an error occurs (invalid sitemap, blocked URLs, etc.), the workflow catches it and gives you instructions.
  • 100% customizable: extend it to Notion, Slack, or other outputs.

📦 What’s included?

  • n8n workflow file (.json).
  • Internal documentation notes inside the flow.
  • Basic email support.

👉 This workflow is your SEO co-pilot: fast, automated, documented, and robust.