Base code

2026-01-08 22:39:53 +07:00
parent 697115c61a
commit c35fa52117
2169 changed files with 626670 additions and 0 deletions
--- a/backend/services/seo_analyzer/README.md
+++ b/backend/services/seo_analyzer/README.md
@@ -0,0 +1,288 @@
+# SEO Analyzer Module
+
+A comprehensive, modular SEO analysis system for web applications that provides detailed insights and actionable recommendations for improving search engine optimization.
+
+## 🚀 Features
+
+### ✅ **Currently Implemented**
+
+#### **Core Analysis Components**
+- **URL Structure Analysis**: Checks URL length, HTTPS usage, special characters, and URL formatting
+- **Meta Data Analysis**: Analyzes title tags, meta descriptions, viewport settings, and character encoding
+- **Content Analysis**: Evaluates content quality, word count, heading structure, and readability
+- **Technical SEO Analysis**: Checks robots.txt, sitemaps, structured data, and canonical URLs
+- **Performance Analysis**: Measures page load speed, compression, caching, and optimization
+- **Accessibility Analysis**: Ensures alt text, form labels, heading structure, and color contrast
+- **User Experience Analysis**: Checks mobile responsiveness, navigation, contact info, and social links
+- **Security Headers Analysis**: Analyzes security headers for protection against common vulnerabilities
+- **Keyword Analysis**: Evaluates keyword usage and optimization for target keywords
+
+#### **AI-Powered Insights**
+- **Intelligent Issue Detection**: Automatically identifies critical SEO problems
+- **Actionable Recommendations**: Provides specific fixes with code examples
+- **Priority-Based Suggestions**: Categorizes issues by severity and impact
+- **Context-Aware Solutions**: Offers location-specific fixes and improvements
+
+#### **Advanced Features**
+- **Progressive Analysis**: Runs faster analyses first, then slower ones with graceful fallbacks
+- **Timeout Handling**: Robust error handling for network issues and timeouts
+- **Detailed Reporting**: Comprehensive analysis with scores, issues, warnings, and recommendations
+- **Modular Architecture**: Reusable components for easy maintenance and extension
+
+### 🔄 **Coming Soon**
+
+#### **Enhanced Analysis Features**
+- **Core Web Vitals Analysis**: LCP, FID, CLS measurements
+- **Mobile-First Analysis**: Comprehensive mobile optimization checks
+- **Schema Markup Validation**: Advanced structured data analysis
+- **Image Optimization Analysis**: Alt text, compression, and format recommendations
+- **Internal Linking Analysis**: Site structure and internal link optimization
+- **Social Media Optimization**: Open Graph and Twitter Card analysis
+
+#### **AI-Powered Enhancements**
+- **Natural Language Processing**: Advanced content analysis using NLP
+- **Competitive Analysis**: Compare against competitor websites
+- **Trend Analysis**: Identify SEO trends and opportunities
+- **Predictive Insights**: Forecast potential ranking improvements
+- **Automated Fix Generation**: AI-generated code fixes and optimizations
+
+#### **Advanced Features**
+- **Bulk Analysis**: Analyze multiple URLs simultaneously
+- **Historical Tracking**: Monitor SEO improvements over time
+- **Custom Rule Engine**: User-defined analysis rules and thresholds
+- **API Integration**: Connect with Google Search Console, Analytics, and other tools
+- **White-Label Support**: Customizable branding and reporting
+
+#### **Enterprise Features**
+- **Multi-User Support**: Team collaboration and role-based access
+- **Advanced Reporting**: Custom dashboards and detailed analytics
+- **API Rate Limiting**: Intelligent request management
+- **Caching System**: Optimized performance for repeated analyses
+- **Webhook Support**: Real-time notifications and integrations
+
+## 📁 **Module Structure**
+
+```
+seo_analyzer/
+├── __init__.py              # Package initialization and exports
+├── core.py                  # Main analyzer class and data structures
+├── analyzers.py             # Individual analysis components
+├── utils.py                 # Utility classes (HTML fetcher, AI insights)
+├── service.py               # Database service for storing/retrieving results
+└── README.md               # This documentation
+```
+
+### **Core Components**
+
+#### **`core.py`**
+- `ComprehensiveSEOAnalyzer`: Main orchestrator class
+- `SEOAnalysisResult`: Data structure for analysis results
+- Progressive analysis with error handling
+
+#### **`analyzers.py`**
+- `BaseAnalyzer`: Base class for all analyzers
+- `URLStructureAnalyzer`: URL analysis and security checks
+- `MetaDataAnalyzer`: Meta tags and technical SEO
+- `ContentAnalyzer`: Content quality and structure
+- `TechnicalSEOAnalyzer`: Technical SEO elements
+- `PerformanceAnalyzer`: Page speed and optimization
+- `AccessibilityAnalyzer`: Accessibility compliance
+- `UserExperienceAnalyzer`: UX and mobile optimization
+- `SecurityHeadersAnalyzer`: Security header analysis
+- `KeywordAnalyzer`: Keyword optimization
+
+#### **`utils.py`**
+- `HTMLFetcher`: Robust HTML content fetching
+- `AIInsightGenerator`: AI-powered insights generation
+
+#### **`service.py`**
+- `SEOAnalysisService`: Database operations for storing and retrieving analysis results
+- Analysis history tracking
+- Statistics and reporting
+- CRUD operations for analysis data
+
+## 🛠 **Usage**
+
+### **Basic Usage**
+
+```python
+from services.seo_analyzer import ComprehensiveSEOAnalyzer
+
+# Initialize analyzer
+analyzer = ComprehensiveSEOAnalyzer()
+
+# Analyze a URL
+result = analyzer.analyze_url_progressive(
+    url="https://example.com",
+    target_keywords=["seo", "optimization"]
+)
+
+# Access results
+print(f"Overall Score: {result.overall_score}")
+print(f"Health Status: {result.health_status}")
+print(f"Critical Issues: {len(result.critical_issues)}")
+```
+
+### **Individual Analyzer Usage**
+
+```python
+from services.seo_analyzer import URLStructureAnalyzer, MetaDataAnalyzer
+
+# URL analysis
+url_analyzer = URLStructureAnalyzer()
+url_result = url_analyzer.analyze("https://example.com")
+
+# Meta data analysis
+meta_analyzer = MetaDataAnalyzer()
+meta_result = meta_analyzer.analyze(html_content, "https://example.com")
+```
+
+## 📊 **Analysis Categories**
+
+### **URL Structure & Security**
+- URL length optimization
+- HTTPS implementation
+- Special character handling
+- URL readability and formatting
+
+### **Meta Data & Technical SEO**
+- Title tag optimization (30-60 characters)
+- Meta description analysis (70-160 characters)
+- Viewport meta tag presence
+- Character encoding declaration
+
+### **Content Analysis**
+- Word count evaluation (minimum 300 words)
+- Heading hierarchy (H1, H2, H3 structure)
+- Image alt text compliance
+- Internal linking analysis
+- Spelling error detection
+
+### **Technical SEO**
+- Robots.txt accessibility
+- XML sitemap presence
+- Structured data markup
+- Canonical URL implementation
+
+### **Performance**
+- Page load time measurement
+- GZIP compression detection
+- Caching header analysis
+- Resource optimization recommendations
+
+### **Accessibility**
+- Image alt text compliance
+- Form label associations
+- Heading hierarchy validation
+- Color contrast recommendations
+
+### **User Experience**
+- Mobile responsiveness checks
+- Navigation menu analysis
+- Contact information presence
+- Social media link integration
+
+### **Security Headers**
+- X-Frame-Options
+- X-Content-Type-Options
+- X-XSS-Protection
+- Strict-Transport-Security
+- Content-Security-Policy
+- Referrer-Policy
+
+### **Keyword Analysis**
+- Title keyword presence
+- Content keyword density
+- Natural keyword integration
+- Target keyword optimization
+
+## 🎯 **Scoring System**
+
+### **Overall Health Status**
+- **Excellent (80-100)**: Optimal SEO performance
+- **Good (60-79)**: Good performance with minor improvements needed
+- **Needs Improvement (40-59)**: Significant issues requiring attention
+- **Poor (0-39)**: Critical issues requiring immediate action
+
+### **Issue Categories**
+- **Critical Issues**: Major problems affecting rankings (25 points each)
+- **Warnings**: Important improvements for better performance (10 points each)
+- **Recommendations**: Optional enhancements for optimal results
+
+## 🔧 **Configuration**
+
+### **Timeout Settings**
+- HTML Fetching: 30 seconds
+- Security Headers: 15 seconds
+- Performance Analysis: 20 seconds
+- Progressive Analysis: Graceful fallbacks
+
+### **Scoring Thresholds**
+- URL Length: 2000 characters maximum
+- Title Length: 30-60 characters optimal
+- Meta Description: 70-160 characters optimal
+- Content Length: 300 words minimum
+- Load Time: 3 seconds maximum
+
+## 🚀 **Performance Features**
+
+### **Progressive Analysis**
+1. **Fast Analyses**: URL structure, meta data, content, technical SEO, accessibility, UX
+2. **Slower Analyses**: Security headers, performance (with timeout handling)
+3. **Graceful Fallbacks**: Partial results when analyses fail
+
+### **Error Handling**
+- Network timeout management
+- Partial result generation
+- Detailed error reporting
+- Fallback recommendations
+
+## 📈 **Future Roadmap**
+
+### **Phase 1 (Q1 2024)**
+- [ ] Core Web Vitals integration
+- [ ] Enhanced mobile analysis
+- [ ] Schema markup validation
+- [ ] Image optimization analysis
+
+### **Phase 2 (Q2 2024)**
+- [ ] NLP-powered content analysis
+- [ ] Competitive analysis features
+- [ ] Bulk analysis capabilities
+- [ ] Historical tracking
+
+### **Phase 3 (Q3 2024)**
+- [ ] Predictive insights
+- [ ] Automated fix generation
+- [ ] API integrations
+- [ ] White-label support
+
+### **Phase 4 (Q4 2024)**
+- [ ] Enterprise features
+- [ ] Advanced reporting
+- [ ] Multi-user support
+- [ ] Webhook integrations
+
+## 🤝 **Contributing**
+
+### **Adding New Analyzers**
+1. Create a new analyzer class inheriting from `BaseAnalyzer`
+2. Implement the `analyze()` method
+3. Return standardized result format
+4. Add to the main orchestrator in `core.py`
+
+### **Extending Existing Features**
+1. Follow the modular architecture
+2. Maintain backward compatibility
+3. Add comprehensive error handling
+4. Include detailed documentation
+
+## 📝 **License**
+
+This module is part of the AI-Writer project and follows the same licensing terms.
+
+---
+
+**Version**: 1.0.0  
+**Last Updated**: January 2024  
+**Maintainer**: AI-Writer Team