Create SEO outlines from top Google results with SerpAPI and GPT-4o

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Important notice

This workflow is provided as-is. Please review and test before using in production.

1. Workflow Overview

Use this workflow to create SEO friendly outlines based on articles that do well in Google. Enter a keyword, and the workflow scrapes the top results, scrapes the content, analyzes it with AI, and ...

Best for

Market Research automation workflows
AI Summarization automation workflows
advanced n8n builders looking for reusable templates

Tools used

@n8n/n8n-nodes-langchain.openai, n8n-nodes-base.httprequest, n8n-nodes-base.splitout, n8n-nodes-base.markdown, n8n-nodes-base.limit, n8n-nodes-base.stickynote, n8n-nodes-base.formtrigger, n8n-nodes-base.set

Source and attribution

This workflow is cataloged by N8N Workflows and links back to its original n8n.io source page by Robin Geuens.

Original n8n.io source

1.1 Workflow description

Title: Create SEO outlines from top Google results with SerpAPI and GPT-4o
Workflow name: Create SEO outlines from top Google results with SerpAPI and GPT-4o

Overview

Use this workflow to create SEO-friendly outlines based on articles that do well in Google.

Enter a keyword, and the workflow scrapes the top results, scrapes the content, analyzes it with AI, and builds a MECE (mutually exclusive, collectively exhaustive) outline.

It’s useful for content creators and SEO specialists who want relevant, well-structured content.

How it works

Accepts a keyword submitted through a form
Uses the SerpAPI to get top Google results for a chosen country
Collects the top five URLs. We use five because we expect some to fail at the scraping stage
Scrapes each URL separately
Uses the first three articles to fit the AI model’s context window
Extracts the main text from the page body
Converts HTML to Markdown to get rid of tags and attributes.
Combines the cleaned text into a single list for AI processing
Analyzes the content with an AI language model to find common topics and headings
Generates an SEO-focused outline based on the most frequent topics

Setup steps

Sign up for a SerpAPI account (free tier available)
Create an OpenAI account and get an API key
Set up your credentials within N8N
Run the workflow and enter your keyword in the form.
The workflow will generate an SEO-friendly outline for your content

Improvement ideas

Add another LLM to turn the outline into an article
Use the Google docs API to add the outline to a Google doc
Enright the outline with data from Perplexity or Tavily

1.2 Logical Blocks

This catalog entry is organized from the workflow JSON. The node-level section below shows the executable blocks available for review before importing the template.

2. Block-by-Block Analysis

Block 1 - Create outline

Type / Role: @n8n/n8n-nodes-langchain.openAi - openAi
Config choices: Version 1.8

Block 2 - Get search results

Type / Role: n8n-nodes-base.httpRequest - httpRequest
Config choices: Version 4.2

Block 3 - Split out URLs

Type / Role: n8n-nodes-base.splitOut - splitOut
Config choices: Version 1

Block 4 - Clean up Text

Type / Role: n8n-nodes-base.markdown - markdown
Config choices: Version 1

Block 5 - Scrape Content

Type / Role: n8n-nodes-base.httpRequest - httpRequest
Config choices: Version 4.2

Block 6 - Limit

Type / Role: n8n-nodes-base.limit - limit
Config choices: Version 1

Block 7 - Sticky Note

Type / Role: n8n-nodes-base.stickyNote - stickyNote
Config choices: Version 1

Block 8 - On form submission

Type / Role: n8n-nodes-base.formTrigger - formTrigger
Config choices: Version 2.3

Block 9 - Sticky Note1

Type / Role: n8n-nodes-base.stickyNote - stickyNote
Config choices: Version 1

Block 10 - Sticky Note2

Type / Role: n8n-nodes-base.stickyNote - stickyNote
Config choices: Version 1

Block 11 - Sticky Note3

Type / Role: n8n-nodes-base.stickyNote - stickyNote
Config choices: Version 1

Block 12 - Extract URLs from JSON

Type / Role: n8n-nodes-base.set - set
Config choices: Version 3.4

Block 13 - Sticky Note4

Type / Role: n8n-nodes-base.stickyNote - stickyNote
Config choices: Version 1

Block 14 - Sticky Note5

Type / Role: n8n-nodes-base.stickyNote - stickyNote
Config choices: Version 1

Block 15 - Sticky Note6

Type / Role: n8n-nodes-base.stickyNote - stickyNote
Config choices: Version 1

Block 16 - Sticky Note7

Type / Role: n8n-nodes-base.stickyNote - stickyNote
Config choices: Version 1

Block 17 - Sticky Note8

Type / Role: n8n-nodes-base.stickyNote - stickyNote
Config choices: Version 1

Block 18 - Extract body content

Type / Role: n8n-nodes-base.html - html
Config choices: Version 1.2

Block 19 - Sticky Note9

Type / Role: n8n-nodes-base.stickyNote - stickyNote
Config choices: Version 1

Block 20 - Put all articles into one item

Type / Role: n8n-nodes-base.aggregate - aggregate
Config choices: Version 1

Block 21 - Sticky Note10

Type / Role: n8n-nodes-base.stickyNote - stickyNote
Config choices: Version 1

Block 22 - Do with the outline what you want

Type / Role: n8n-nodes-base.noOp - noOp
Config choices: Version 1

Block 23 - Sticky Note11

Type / Role: n8n-nodes-base.stickyNote - stickyNote
Config choices: Version 1

3. Summary Table

Workflow	Create SEO outlines from top Google results with SerpAPI and GPT-4o
Complexity	advanced
Nodes	23
Categories	Market Research, AI Summarization
Author	Robin Geuens
Published	28 Sept 2025

4. Reproducing the Workflow from Scratch

1. Download the workflow JSON

Use the JSON export at /data/workflows/9056/9056.json as the source template for this automation.
2. Import the template into n8n

Open n8n, import the downloaded JSON, and review each node before activating the workflow.
3. Configure credentials and variables

Replace placeholder credentials, API keys, webhook URLs, account IDs, and environment-specific values with your own settings.
4. Test with sample data

Run the workflow manually or in a staging workspace, inspect node output, and confirm downstream systems receive the expected data.
5. Activate and monitor

Enable the workflow only after testing, then monitor executions, errors, and rate limits during the first production runs.

5. General Notes & Resources

Review imported nodes carefully before activation. This catalog entry is intended to help you inspect the workflow structure, understand required services, and find related templates faster.

Node names, credentials, schedules, webhook paths, and external service limits may need adjustment for your workspace.

Download workflow JSON Original n8n.io source Market Research workflows AI Summarization workflows

Frequently asked questions

What does Create SEO outlines from top Google results with SerpAPI and GPT-4o do?

What do I need before importing this workflow?

Review the workflow JSON, configure any required credentials in n8n, and test the automation in a safe workspace before using it in production.

Can I customize this workflow?

Yes. Use the block-by-block analysis and the downloadable JSON to inspect each node, then adjust credentials, prompts, schedules, filters, or destinations for your Market Research, AI Summarization use case.

Robin Geuens

5 workflows

Nodes

@n8n/n8n-nodes-langchain.openai n8n-nodes-base.httprequest n8n-nodes-base.splitout n8n-nodes-base.markdown n8n-nodes-base.limit n8n-nodes-base.stickynote n8n-nodes-base.formtrigger n8n-nodes-base.set

Complexity

advanced

Published 28 Sept 2025

Likes 0

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Install path: /data/workflows/9056/9056.json

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Create SEO outlines from top Google results with SerpAPI and GPT-4o

Workflow preview

Important notice

1. Workflow Overview

Best for

Tools used

Source and attribution

1.1 Workflow description

Overview

How it works

Setup steps

Improvement ideas

1.2 Logical Blocks

2. Block-by-Block Analysis

Block 1 - Create outline

Block 2 - Get search results

Block 3 - Split out URLs

Block 4 - Clean up Text

Block 5 - Scrape Content

Block 6 - Limit

Block 7 - Sticky Note

Block 8 - On form submission

Block 9 - Sticky Note1

Block 10 - Sticky Note2

Block 11 - Sticky Note3

Block 12 - Extract URLs from JSON

Block 13 - Sticky Note4

Block 14 - Sticky Note5

Block 15 - Sticky Note6

Block 16 - Sticky Note7

Block 17 - Sticky Note8

Block 18 - Extract body content

Block 19 - Sticky Note9

Block 20 - Put all articles into one item

Block 21 - Sticky Note10

Block 22 - Do with the outline what you want

Block 23 - Sticky Note11

3. Summary Table

4. Reproducing the Workflow from Scratch

1. Download the workflow JSON

2. Import the template into n8n

3. Configure credentials and variables

4. Test with sample data

5. Activate and monitor

5. General Notes & Resources

Frequently asked questions