Comprehensive Technical Metrics for Rezio's AI Real Estate Platform
1. Performance Metrics
1.1 API Response Time
Definition: Time taken for the Django backend to respond to API requests.
Measurement: Django middleware timing, AWS CloudWatch logs.
Industry Standard: 95th percentile under 500ms.
1.2 Database Query Performance
Definition: Execution time of critical database queries in PostgreSQL.
Measurement: PostgreSQL query logs, Django ORM instrumentation.
Industry Standard: 99% of queries under 100ms.
1.3 CDN Performance
Definition: Time taken for Cloudflare to serve static assets.
Measurement: Cloudflare Analytics, Real User Monitoring (RUM) in Flutter.
Industry Standard: Global average Time to First Byte (TTFB) under 100ms.
1.4 Mobile App Launch Time
Definition: Time from app icon tap to interactive main screen.
Measurement: Flutter Performance tools, custom initialization tracking.
Industry Standard: Under 2 seconds on mid-range devices.
1.5 AI Response Latency
Definition: Time taken for AI to generate responses to user queries.
Measurement: Custom timing in AI service, AWS CloudWatch logs.
Industry Standard: 90% of responses under 1 second.
1.6 Time to Interactivity (TTI)
Definition: Time from app launch until the user can interact with all main screen elements.
Measurement: Custom timing events in Flutter, Firebase Analytics.
Industry Standard: Under 3 seconds on mid-range devices.
1.7 Gesture Response Time
Definition: Time between touch input and visual response.
Measurement: Flutter performance overlay, custom gesture tracking.
Industry Standard: Under 16ms (60fps) for simple interactions, under 50ms for complex operations.
2. Infrastructure Metrics
2.1 Container Resource Utilization
Definition: CPU and memory usage of AWS Fargate containers. Measurement: AWS CloudWatch container insights. Industry Standard: Average utilization between 50-70%.
2.2 Lambda Cold Start Times
Definition: Time for Lambda functions to start from a cold state.
Measurement: AWS X-Ray tracing, CloudWatch Logs analysis.
Industry Standard: Under 1 second for critical functions, under 2 seconds for others.
2.3 Database Connection Pool Utilization
Definition: Percentage of active database connections from the pool.
Measurement: PostgreSQL active connection monitoring, Django connection pool metrics.
Industry Standard: Peak utilization under 80%, average under 50%.
2.4 CDN Cache Hit Rate
Definition: Percentage of requests served directly from Cloudflare's cache.
Measurement: Cloudflare Analytics.
Industry Standard: Above 80% for static assets.
3. Security Metrics
3.1 Authentication Success Rate
Definition: Percentage of successful authentication attempts.
Measurement: Firebase Authentication logs, AWS CloudWatch Insights.
Industry Standard: Above 99.9% for legitimate users.
3.2 Failed Login Attempts
Definition: Number of failed login attempts per user account over time.
Measurement: Firebase Authentication logs, custom alerting system.
Industry Standard: Under 5 failed attempts per account per day.
3.3 JWT Token Refresh Rate
Definition: Frequency of JWT token refreshes per user session.
Measurement: Custom token refresh event logging.
Industry Standard: No more than once per hour per active session.
3.4 WAF Effectiveness
Definition: Number of malicious requests blocked by Cloudflare's Web Application Firewall.
Measurement: Cloudflare Analytics, custom webhook for real-time alerts.
Industry Standard: Block rate under 1% of total traffic for a well-configured application.
3.5 Data Encryption Coverage
Definition: Percentage of sensitive data fields encrypted at rest and in transit.
Measurement: Regular audits, automated CI/CD checks.
Industry Standard: 100% for all Personally Identifiable Information (PII) and sensitive business data.
4. AI and Machine Learning Metrics
4.1 Model Inference Time
Definition: Time taken for AI models to generate responses or predictions.
Measurement: Custom timing in model serving infrastructure, AWS CloudWatch logs.
Industry Standard: Under 200ms for simple queries, under 1s for complex analyses.
4.2 Model Accuracy
Definition: Percentage of AI predictions or decisions that are correct or accepted by users.
Measurement: User feedback tracking, periodic expert audits.
Industry Standard: Above 90% for critical features like property valuations.
4.3 Model Drift
Definition: Degree of AI model performance degradation over time.
Measurement: Continuous monitoring of key performance indicators, A/B testing.
Industry Standard: Less than 5% degradation in accuracy month-over-month.
5. Reliability Metrics
5.1 API Availability
Definition: Percentage of time the API is fully operational and responding correctly.
Measurement: Health check endpoints, AWS Route 53 health checks.
Industry Standard: Above 99.95% (less than 22 minutes of downtime per month).
5.2 Error Rate
Definition: Percentage of requests resulting in errors (5xx responses).
Measurement: Application and server logs, AWS CloudWatch metrics.
Industry Standard: Below 0.1% of all requests.
5.3 Apdex (Application Performance Index)
Definition: Measure of user satisfaction based on response times.
Measurement: Custom implementation using response time thresholds.
Industry Standard: Apdex score above 0.9 (90% of responses satisfactory).
6. Mobile-Specific Metrics
6.1 App Size
Definition: Size of the app installation package.
Measurement: App Store Connect and Google Play Console statistics.
Industry Standard: Under 50MB for initial download, under 100MB total with all features.
6.2 Battery Usage
Definition: Battery consumption rate during typical usage sessions.
Measurement: Custom battery usage tracking in Flutter, Firebase Analytics.
Industry Standard: Under 5% battery usage per hour of active use.
6.3 Render Time Across Devices
Definition: Time taken for key screens to become fully interactive on various device types.
Measurement: Custom performance tracking in Flutter for key screens.
Industry Standard: Under 500ms for list views, under 1s for detail views across 90% of device types.