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Jetpack - Performance Monitoring and Optimization

Jetpack is a comprehensive performance monitoring and optimization toolkit for web applications, providing real-time metrics, Google Lighthouse integration, and security monitoring.

Features

  • Real-time Performance Monitoring: Track FPS, memory usage, API latency, and more
  • Google Lighthouse Integration: Run Lighthouse audits and track Core Web Vitals
  • Performance Panel: Floating translucent panel for real-time metrics visualization
  • Chrome DevTools Extension: Advanced performance monitoring in Chrome DevTools
  • Security Monitoring: Track vulnerabilities, suspicious activities, and security compliance
  • Full-Stack Monitoring: Frontend, backend, middleware, and database performance metrics
  • Exportable Reports: Generate comprehensive performance and security reports

Installation

# Install Jetpack using GOPM
gopm jetpack init

Usage

Basic Monitoring

# Start monitoring a web application
gopm jetpack monitor http://localhost:3000

# Run a Lighthouse audit
gopm jetpack lighthouse https://example.com

Performance Panel

# Show the performance panel
gopm jetpack panel show

# Hide the performance panel
gopm jetpack panel hide

# Configure the performance panel
gopm jetpack panel config --position=bottom-right --opacity=0.8 --theme=dark

Metrics Management

# List available metrics
gopm jetpack metrics list

# Track specific metrics
gopm jetpack metrics track fps memory_usage api_latency

# Stop tracking specific metrics
gopm jetpack metrics untrack memory_usage

Security Monitoring

# Scan for security vulnerabilities
gopm jetpack security scan

# Check security headers
gopm jetpack security headers https://example.com

# Check TLS configuration
gopm jetpack security tls example.com:443

Exporting and Reporting

# Export metrics to JSON
gopm jetpack export json --output=metrics.json

# Generate a performance report
gopm jetpack report performance --output=performance-report.html

# Generate a security report
gopm jetpack report security --output=security-report.html

# Generate a full report
gopm jetpack report full --output=full-report.html

Chrome Extension

# Build the Chrome extension
gopm jetpack chrome build

# Install the Chrome extension
gopm jetpack chrome install

# Update the Chrome extension
gopm jetpack chrome update

Performance Panel

The Jetpack Performance Panel is a floating translucent panel that displays real-time performance metrics on your web page. It helps developers monitor performance metrics without having to open DevTools.

Features

  • Real-time Metrics: FPS, memory usage, API latency, and more
  • Customizable: Position, opacity, theme, and metrics
  • Draggable: Move the panel anywhere on the screen
  • Collapsible: Minimize the panel when not needed
  • Alerts: Visual indicators when metrics exceed thresholds

Configuration

You can configure the performance panel using the gopm jetpack panel config command or through the panel's settings tab.

# Configure the performance panel
gopm jetpack panel config --position=bottom-right --opacity=0.8 --theme=dark --refresh-rate=1000

Chrome DevTools Extension

The Jetpack Chrome DevTools Extension provides advanced performance monitoring capabilities directly in Chrome DevTools.

Features

  • Dedicated Panel: A dedicated panel in Chrome DevTools for Jetpack
  • Advanced Metrics: More detailed metrics than the floating panel
  • Lighthouse Integration: Run Lighthouse audits directly from the panel
  • Network Monitoring: Detailed network request analysis
  • Security Analysis: Security vulnerability scanning and reporting

Installation

# Build and install the Chrome extension
gopm jetpack chrome build
gopm jetpack chrome install

Metrics

Jetpack tracks a wide range of performance metrics across the entire stack:

Frontend Metrics

  • FPS: Frames per second
  • Page Load: Total page load time
  • First Paint: Time to first paint
  • First Contentful Paint: Time to first contentful paint
  • Largest Contentful Paint: Time to largest contentful paint
  • Time to Interactive: Time until the page is interactive
  • Total Blocking Time: Total time the main thread was blocked
  • Cumulative Layout Shift: Measure of visual stability
  • Memory Usage: JavaScript memory usage
  • Network Requests: Number and size of network requests
  • Resource Size: Size of resources (JS, CSS, images, etc.)
  • JS Execution Time: JavaScript execution time
  • DOM Size: Number of DOM elements

Backend Metrics

  • API Latency: Response time for API requests
  • API Throughput: Number of requests per second
  • Error Rate: Percentage of failed requests
  • CPU Usage: Server CPU usage
  • Memory Usage: Server memory usage
  • Goroutines: Number of active goroutines
  • GC Pause: Garbage collection pause time

Database Metrics

  • Query Time: Time to execute database queries
  • Query Count: Number of database queries
  • Connection Pool: Database connection pool usage
  • Index Usage: Database index usage
  • Table Size: Database table size

Security Metrics

  • Security Score: Overall security score
  • Vulnerabilities: Number of detected vulnerabilities
  • Auth Failures: Number of authentication failures
  • Suspicious Activity: Number of suspicious activities

Security Monitoring

Jetpack includes comprehensive security monitoring capabilities:

Features

  • Vulnerability Scanning: Scan for common vulnerabilities (XSS, SQL injection, etc.)
  • Security Headers: Check for proper security headers
  • TLS Configuration: Verify secure TLS configuration
  • Authentication Monitoring: Track authentication failures and brute force attempts
  • Anomaly Detection: Detect suspicious activities
  • Compliance Checking: Check compliance with security standards

Usage

# Scan for security vulnerabilities
gopm jetpack security scan

# Check security headers
gopm jetpack security headers https://example.com

# Check TLS configuration
gopm jetpack security tls example.com:443

Integration with GoScript Ecosystem

Jetpack integrates seamlessly with the GoScript ecosystem:

  • Gocsx: Monitor CSS performance and optimize styles
  • WebGPU: Track WebGPU performance and optimize shaders
  • GoUIX: Monitor component rendering performance
  • GoScale API: Track API performance and optimize endpoints
  • GoScale DB: Monitor database performance and optimize queries

Configuration

Jetpack uses a configuration file located at ~/.jetpack/config.json or in the project directory as .jetpackrc.json.

Example configuration:

{
  "monitoring": {
    "enabled": true,
    "target": "http://localhost:3000",
    "refresh_rate": 1000,
    "metrics": ["fps", "memory_usage", "api_latency", "page_load"]
  },
  "panel": {
    "enabled": true,
    "position": "bottom-right",
    "opacity": 0.8,
    "theme": "dark",
    "show_charts": true,
    "show_alerts": true
  },
  "lighthouse": {
    "enabled": true,
    "categories": ["performance", "accessibility", "best-practices", "seo", "pwa"],
    "throttling": true
  },
  "security": {
    "enabled": true,
    "vulnerability_scan_enabled": true,
    "auth_tracking_enabled": true,
    "anomaly_detection_enabled": true,
    "compliance_check_enabled": true,
    "scan_interval": 3600
  },
  "export": {
    "enabled": true,
    "format": "json",
    "interval": 3600,
    "path": "./jetpack-metrics.json"
  }
}

Contributing

Contributions are welcome! Please feel free to submit a Pull Request.

License

MIT License