AI SEO Content Generator

A powerful WordPress plugin that generates SEO-optimized content using Google Gemini or DeepSeek API in WordPress Gutenberg editor.

🚀 Features

Core Features

• Multi-AI Support: Google Gemini (1.5 Flash, 2.0 Flash) and DeepSeek V3
• SEO Optimization: Auto-generate SEO titles, meta descriptions, and keywords
• Gutenberg Integration: Seamless integration with WordPress block editor
• Content History: Track and manage all generated content
• Multi-language Support: Vietnamese, English, Korean

Advanced Features

• 🔐 Secure API Key Storage: Encrypted API keys in database
• ⚡ Smart Caching: 1-hour cache to reduce API calls and improve performance
• 🔄 Auto-Fallback: Automatically switches to alternative APIs when one fails
• 📊 Content Analytics: Word count, API usage tracking
• 🌐 Internationalization: Ready for translations

📋 Requirements

• WordPress 6.0+
• PHP 7.4+
• OpenSSL extension (recommended for encryption)
• API keys from:
  • Google AI Studio for Gemini
  • OpenRouter for DeepSeek

🛠 Installation

1. Download the plugin files
2. Upload to /wp-content/plugins/ai-seo-content-generator/
3. Activate the plugin through WordPress admin
4. Configure API keys in Settings > AI SEO Content

⚙️ Configuration

API Keys Setup

1. Go to Settings > AI SEO Content
2. Enter your API keys:
   • Gemini API Key: Get from Google AI Studio
   • DeepSeek API Key: Get from OpenRouter
3. Keys are automatically encrypted before storage

Cache Management

• Content is cached for 1 hour by default
• Use "Clear Cache" button to force refresh
• Automatic cleanup of old cache entries

📝 Usage

Generating Content

1. Open WordPress post/page editor (Gutenberg)
2. Look for "Generate SEO Content" button in the post status panel
3. Fill in the form:
   • Primary Keyword: Main SEO keyword
   • Content Prompt: Describe what you want
   • Word Count: Approximate length
   • Tone: Select writing style
   • Language: Choose output language
   • AI Model: Pick preferred AI

Content History

• View all generated content in Posts > AI Content History
• Browse by date, keywords, and API used
• Access full content and SEO metadata

🏗 Plugin Structure

ai-seo-content-generator/
├── ai-seo-content-generator.php    # Main plugin file
├── assets/
│   ├── css/
│   │   └── style.css               # Plugin styles
│   └── js/
│       └── block-editor.js         # Gutenberg integration
├── includes/
│   ├── api-handler.php             # API communication
│   └── database.php                # Database operations
├── languages/                      # Translation files
└── README.md                       # This file

🔧 Technical Features

Security

• API keys encrypted with AES-256-CBC
• Nonce verification for all requests
• Input sanitization and validation
• Capability checks for user permissions

Performance

• WordPress transients for caching
• Rate limiting (10 seconds between requests)
• Optimized database queries
• Lazy loading of components

Error Handling

• Multi-API fallback system
• Comprehensive error logging
• User-friendly error messages
• Graceful degradation

🎨 Customization

Supported Content Types

• Headings (H2-H6)
• Paragraphs
• Unordered lists
• Ordered lists
• Rich text formatting

Available Tones

• Neutral
• Informative
• Storytelling
• Professional
• Friendly
• Humorous

🔄 API Fallback Logic

1. Primary: User-selected API
2. Secondary: Alternative APIs in order
3. Fallback: Automatic retry with different models
4. Error Handling: Clear user feedback on failures

📊 Version History

v3.0 (Latest)

• ✅ Encrypted API key storage
• ✅ Content caching system
• ✅ Multi-API fallback
• ✅ Content history tracking
• ✅ Improved internationalization
• ✅ Better content parsing

v2.3

• Basic AI content generation
• Gutenberg integration
• SEO guidance

🤝 Contributing

1. Fork the repository
2. Create a feature branch
3. Make your changes
4. Test thoroughly
5. Submit a pull request

📄 License

GPL2 - Same as WordPress

🆘 Support

For issues and support:

1. Check the Issues page
2. Review documentation
3. Contact plugin author

🔮 Roadmap

• [ ] Custom prompts templates
• [ ] Bulk content generation
• [ ] WordPress Multisite support
• [ ] Integration with popular SEO plugins
• [ ] Content quality scoring
• [ ] A/B testing for content variations

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