🚀 SEO Content Gap Analyzer

AI-Powered Competitive Content Intelligence (n8n + Gemini)

Automate SEO competitor research and generate structured content strategy reports in under 60 seconds.

---

🎯 Overview

This n8n workflow performs automated SEO content gap analysis by:

• Fetching top-ranking Google results
• Extracting competitor page structure
• Aggregating SEO elements
• Using Google Gemini AI to identify:
  • Common ranking topics
  • Content gaps
  • Competitor strengths
  • Prioritized recommendations
  • Suggested content outline

Output: Downloadable structured text report.

---

⚡ Features

• Automated competitor scraping (Top 5 Google results)
• Structured AI output using JSON schema
• Content gap identification
• Prioritized SEO recommendations
• Suggested content outline generation
• Downloadable report export
• Error-tolerant page fetching

---

🏗 Workflow Architecture

Form Trigger
↓
SerpAPI (Google Results)
↓
Extract Top 5 URLs
↓
Fetch HTML Content
↓
Extract SEO Elements (Title, H1, H2, Meta, Body)
↓
Aggregate Data
↓
Gemini AI Analysis
↓
Generate Report File

---

🖼 Workflow Overview

---

🔌 Data Sources

• User Input – Keyword via form trigger
• SerpAPI – Top Google organic results
• Competitor Pages – HTML scraping
• Google Gemini (models/gemini-2.5-flash) – AI analysis

---

⚙️ Setup Instructions

1️⃣ Prerequisites

• n8n (Cloud or Self-hosted)
• SerpAPI API key
• Google AI API key

---

2️⃣ Add Credentials in n8n

SerpAPI

• Credentials → New → SerpAPI
• Add API key

Google AI

• Credentials → New → Google AI
• Add API key

---

3️⃣ Import Workflow

• Import seo-content-gap-analyzer-n8n.json
• Save

---

4️⃣ Assign Credentials

• Select SerpAPI credential in SerpAPI node
• Select Google AI credential in Gemini node

---

▶️ Run Workflow

Option A – Web Form

• Open Form Trigger URL
• Enter keyword
• Wait ~30–60 seconds
• Download report

---

Option B – API Call

curl -X POST "YOUR_FORM_URL" \
  -H "Content-Type: application/json" \
  -d '{"keyword":"content marketing strategy"}'