Work

SEO Dashboard App

API Integration
Authentication
Database Design
DevOps
JavaScript
Microservices
UI Design

SEO dashboard that tracks keyword rankings across multiple search engines with location-based analysis, comprehensive site auditing, real-time uptime monitoring, and integrated web analytics. Built with Node.js, MySQL, and modern JavaScript, it offers a complete SEO management solution with subscription tiers, user authentication, and self-hosted Matomo analytics for complete data privacy.

Key Features & Functionality

Core SEO Capabilities

  • Multi-Engine Position Tracking: Real-time ranking monitoring across Google, Bing, and other search engines using Keywords Everywhere API and Google Custom Search API
  • Location-Based Search Analysis: Geotargeted ranking tracking by ZIP codes, cities, states, and countries with automatic geocoding via OpenStreetMap
  • Historical Trend Analysis: Long-term ranking performance tracking with trend visualization and performance metrics
  • Comprehensive Site Auditing: Technical SEO audits including PageSpeed Insights, meta tags, structured data, mobile-friendliness, and content analysis
  • Project-Based Organization: Multi-project management with keyword grouping and bulk operations
  • Automated Scheduling: Custom interval tracking with daemon mode for continuous monitoring

Site Monitoring & Uptime Tracking

  • Real-Time Uptime Monitoring: Continuous website availability monitoring with configurable check intervals (1 minute to 1 hour)
  • Multi-Priority Monitoring: Critical, high, normal, and low priority monitoring levels with different check frequencies
  • Email Alert System: Automated email notifications for downtime events with retry logic and failure tracking
  • Response Time Tracking: Performance monitoring with detailed response time metrics and status code analysis
  • Monitoring History: Comprehensive logging of all monitoring events with detailed failure analysis
  • Concurrent Monitoring: Efficient multi-site monitoring with configurable concurrent check limits

Advanced Analytics & User Management

  • Self-Hosted Matomo Integration: Privacy-focused web analytics with custom event tracking and SPA support
  • Multi-User Authentication: Secure user management with role-based access control (admin/user roles)
  • Subscription System: Stripe-powered subscription tiers (Free, Pro, Business, Enterprise) with usage limits and feature access control
  • API Key Management: Per-user API key storage for Google Custom Search, Keywords Everywhere, and PageSpeed Insights
  • Real-Time Dashboard: Live data updates with responsive design and interactive charts

Enterprise Infrastructure

  • MySQL Database: Robust data storage with Sequelize ORM, migrations, and relationship management
  • Docker Containerization: Multi-container setup with MySQL, Matomo, and Nginx reverse proxy
  • Security Features: Helmet.js security headers, rate limiting, CORS configuration, and encrypted API key storage
  • Backup System: Automated backup creation with timestamped archives and restore capabilities
  • Email Integration: Site monitoring alerts with Mailpit for development and SMTP for production

Technology Stack

Backend Technologies

  • Node.js & Express.js: RESTful API server with middleware architecture and session management
  • MySQL & Sequelize ORM: Relational database with migrations, indexes, and connection pooling
  • Passport.js Authentication: Local strategy authentication with bcrypt password hashing
  • Stripe Integration: Complete subscription management with webhook handling and billing portal
  • Winston Logging: Comprehensive application logging with multiple log levels and file rotation
  • Cron Scheduling: Automated monitoring and tracking with node-cron for scheduled tasks

Frontend Technologies

  • Vanilla JavaScript (ES6+): Modern JavaScript with async/await, modules, and classes
  • Responsive CSS3: Mobile-first design with Flexbox and Grid layouts
  • Progressive Web App: Single-page application with client-side routing and history API
  • FontAwesome Icons: Professional iconography throughout the interface

DevOps & Infrastructure

  • Docker Compose: Multi-container orchestration with service isolation and health checks
  • Nginx Reverse Proxy: HTTPS termination, load balancing, and static file serving
  • Matomo Analytics: Self-hosted web analytics platform with custom tracking
  • Environment Configuration: Secure configuration management with .env files

Technical Skills Demonstrated

Full-Stack Development

  • API Design: RESTful endpoints with proper HTTP status codes, error handling, and input validation
  • Database Architecture: Normalized schemas with foreign key relationships, indexes, and data migrations
  • Authentication Systems: Multi-strategy authentication with session management and role-based access control
  • Payment Integration: Stripe subscription management with webhook handling and billing portal access
  • Monitoring Systems: Real-time uptime monitoring with alerting and performance tracking

Modern JavaScript Development

  • ES6+ Features: Arrow functions, destructuring, template literals, async/await, and module systems
  • DOM Manipulation: Event delegation, dynamic content updates, and form validation
  • API Integration: Fetch API with error handling, request throttling, and response caching
  • SPA Architecture: Client-side routing, state management, and history API integration

DevOps & System Administration

  • Containerization: Docker multi-stage builds, service orchestration, and health monitoring
  • Database Administration: MySQL optimization, backup strategies, and connection pooling
  • Security Implementation: Input validation, SQL injection prevention, CSRF protection, and data encryption
  • Monitoring & Logging: Application metrics, error tracking, and performance monitoring
  • Scheduled Tasks: Cron job management and automated system maintenance

Business Logic & Data Processing

  • SEO Analysis: Keyword tracking algorithms, ranking position detection, and trend analysis
  • Location Services: Geocoding integration, location resolution, and geographic data processing
  • Site Auditing: Web scraping, content analysis, and technical SEO assessment
  • Uptime Monitoring: HTTP health checks, response time analysis, and failure detection
  • Analytics Integration: Custom event tracking, user behavior analysis, and reporting

Performance Optimizations

Frontend Performance

  • Lazy Loading: Dynamic content loading and efficient DOM manipulation
  • Request Optimization: API call deduplication and intelligent caching strategies
  • Mobile Optimization: Responsive design with touch-friendly interfaces and fast loading

Backend Performance

  • Database Optimization: Query optimization, connection pooling, and efficient data structures
  • API Rate Limiting: Intelligent throttling to prevent abuse and ensure fair usage
  • Caching Strategies: Multi-layer caching for improved response times
  • Error Handling: Graceful error recovery and comprehensive logging
  • Concurrent Processing: Efficient handling of multiple monitoring and tracking operations

Security & Privacy

Data Protection

  • Encryption: At-rest and in-transit encryption for sensitive data
  • Privacy Compliance: GDPR-ready data handling with user consent management
  • Self-Hosted Analytics: Complete control over user data with Matomo integration
  • Secure Authentication: Password hashing, session security, and CSRF protection

Infrastructure Security

  • Input Validation: Server-side validation and sanitization
  • API Security: Rate limiting, authentication middleware, and secure headers
  • Container Security: Isolated services and secure configuration management
  • Monitoring Security: Secure alerting and failure notification systems

Business Value

This project demonstrates the ability to architect and implement enterprise-grade web applications with complex data relationships, real-time updates, and scalable infrastructure. The combination of modern web technologies, security best practices, and performance optimizations showcases full-stack expertise in web development. The project’s emphasis on data privacy, self-hosting capabilities, subscription management, comprehensive SEO features, and real-time monitoring makes it particularly relevant for businesses requiring complete control over their SEO data, analytics, user management, and website uptime monitoring.The application successfully integrates multiple third-party APIs (Google Custom Search, Keywords Everywhere, Stripe, PageSpeed Insights) while maintaining a clean, maintainable codebase with proper error handling, logging, and user experience considerations. The subscription system, role-based access control, and comprehensive monitoring capabilities demonstrate understanding of SaaS business models, user management requirements, and enterprise monitoring needs.