🕷️ SEO Analyzer

A professional, Python-based Technical SEO Audit tool wrapped in a modern CLI and Web Interface.

This tool crawls any target website, analyzes critical SEO metrics (On-page, Performance, Links, Content), and generates detailed, interactive reports similar to Semrush or Ahrefs.

🚀 Features

• Deep Crawling: Uses advertools to crawl websites recursively with configurable depth.
• Comprehensive Analysis:
  • On-Page: Title, H1, Meta Descriptions, Canonical tags.
  • Content: Word count, Text-to-HTML ratio, Thin content detection.
  • Technical: HTTP Status codes (4xx/5xx), Redirects, HTTPS security.
  • Performance: Response time analysis.
  • Links: Internal vs. External link ratio.
• Interactive Web Dashboard:
  • FastAPI backend to manage scans.
  • Background Tasks for non-blocking execution.
  • Report History to revisit past audits.
• Professional Reports:
  • "Semrush-style" dashboard.
  • Categorized issues (🔴 Critical, ⚠️ Warnings, 🔵 Notices).
  • Detailed per-page audit explorer.
  • No database required (File-based JSON storage).

🛠️ Installation

1. Clone the repository:

   git clone <repository-url>
   cd seo-analyzer
   

2. Install the package:

   pip install .
   

   Or for development:

   pip install -e .
   

🚦 Usage

CLI Commands

The tool provides a command-line interface seo-check.

1. Analyze a Website

Run a quick analysis directly from your terminal:

seo-check analyze https://example.com --depth 3

Or simply run seo-check analyze for interactive mode.

2. View Reports (Web Server)

Start the local web server to view generated reports in a nice dashboard:

seo-check serve

Then open http://localhost:8000 in your browser.

📂 Project Structure

├── src/seo_check/      # Source code package
│   ├── app.py          # FastAPI Application entry point
│   ├── config.py       # Configuration & SEO Thresholds
│   ├── crawler.py      # Crawling logic (advertools)
│   ├── analyzer.py     # Data processing & Issue detection logic
│   ├── reporter.py     # Report generation logic (JSON export)
│   ├── main.py         # CLI Entry point
│   └── templates/      # HTML Templates (Jinja2)
├── setup.py            # Package installation script
├── MANIFEST.in         # Package data configuration
└── requirements.txt    # Project dependencies

⚙️ Configuration

You can tweak SEO thresholds (e.g., what counts as a "Long Title") directly in src/seo_check/config.py:

# config.py
title_max_length: int = 60
slow_page_threshold: float = 3.0
min_word_count: int = 250

📝 Requirements

• Python 3.8+
• Modern Web Browser (Chrome/Firefox/Edge) for the report viewer.

🤝 Contributing

Feel free to submit issues or pull requests to improve the analysis logic or the web interface!