Privacy & Performance

Privacy by Design

Data Minimization

Collection Principles:

Only collect necessary data
Purpose limitation
Storage limitation
Data accuracy
Security measures

Implementation:

Minimal data collection
Automatic data cleanup
Anonymization schedules
Purpose-based retention

User Rights

GDPR Rights:

Right to information
Right to access
Right to rectification
Right to erasure
Right to restrict processing
Right to data portability
Right to object
Rights related to automated decision making

CCPA Rights:

Right to know
Right to delete
Right to opt-out
Right to non-discrimination

Data Protection

Technical Measures:

Database encryption
Secure API endpoints
HTTPS-only communication
Input validation
XSS protection

Organizational Measures:

Access controls
Audit logging
Regular security audits
Employee training
Incident response plans

Performance Optimization

Core Web Vitals

Loading Performance:

First Contentful Paint (FCP): <1.5s
Largest Contentful Paint (LCP): <2.5s
Cumulative Layout Shift (CLS): <0.1
First Input Delay (FID): <100ms

Optimization Techniques:

Asynchronous loading
Resource minification
Image optimization
Caching strategies

Bundle Size Analysis

JavaScript Bundle:

Core bundle: ~25KB gzipped
Template-specific: ~5-15KB gzipped
Total: ~35KB gzipped
Load time: <200ms

CSS Bundle:

Core styles: ~8KB gzipped
Template styles: ~2-5KB gzipped
Total: ~12KB gzipped

Database Performance

Query Optimization:

Indexed tables
Query caching
Background processing
Batch operations

Storage Efficiency:

Compressed data storage
Optimized table structures
Automatic cleanup
Archive management

Resource Usage

Memory Usage

Server-Side:

PHP memory: <50MB per request
Database connections: Connection pooling
Cache usage: Redis/Memcached integration
Background jobs: Queue-based processing

Client-Side:

JavaScript heap: <10MB
DOM nodes: Minimal impact
Network requests: Optimized loading

CPU Usage

Processing Load:

Consent validation: <10ms
Geo detection: <50ms
Database queries: <100ms
Analytics events: Asynchronous

Background Processing:

Cookie scanning: Scheduled jobs
Data cleanup: Automated tasks
Report generation: Batch processing

Caching Strategies

Browser Caching

Static Assets:

JavaScript: 1 year cache
CSS: 1 year cache
Images: 1 month cache
Templates: Version-based cache

Dynamic Content:

Consent state: Session storage
User preferences: Local storage
Geo data: Memory cache

Server-Side Caching

Object Caching:

Consent configurations
Geo lookup results
Template data
User preferences

Database Caching:

Query result caching
Metadata caching
Report data caching

Network Optimization

Content Delivery

CDN Integration:

Global content delivery
Regional optimization
Cache invalidation
Performance monitoring

Resource Loading:

DNS prefetching
Preconnect hints
Resource hints
Lazy loading

Bandwidth Optimization

Compression:

GZIP compression
Brotli compression (where supported)
Image optimization
Font subsetting

Request Optimization:

HTTP/2 multiplexing
Request batching
Connection reuse
Resource prioritization

Monitoring & Analytics

Performance Monitoring

Key Metrics:

Page load times
Consent banner display time
User interaction latency
Database query performance
API response times

Tools Integration:

Google PageSpeed Insights
WebPageTest
Lighthouse audits
Custom performance dashboards

Error Tracking

Error Monitoring:

JavaScript errors
API failures
Database errors
Geo detection failures

Alerting:

Performance degradation alerts
Error rate monitoring
SLA breach notifications
Automated incident response

Security Features

Data Encryption

At Rest:

Database encryption
File system encryption
Backup encryption
Key management

In Transit:

TLS 1.3 encryption
Certificate pinning
Secure cookie flags
HSTS headers

Access Controls

Authentication:

WordPress user authentication
API key authentication
OAuth integration
Multi-factor authentication

Authorization:

Role-based access control
Permission management
Audit logging
Session management

Threat Protection

Common Threats:

XSS prevention
CSRF protection
SQL injection prevention
Clickjacking protection

Advanced Security:

Content Security Policy (CSP)
Subresource Integrity (SRI)
Rate limiting
IP whitelisting

Compliance Monitoring

Privacy Compliance

Automated Checks:

Consent validity verification
Data retention compliance
Privacy policy updates
User rights fulfillment

Audit Trails:

Complete action logging
Change tracking
Access monitoring
Incident reporting

Performance Compliance

SLA Monitoring:

Response time SLAs
Uptime monitoring
Error rate tracking
Performance benchmarks

Quality Assurance:

Automated testing
Performance regression testing
Load testing
Stress testing

Optimization Techniques

Frontend Optimization

JavaScript Optimization:

Code splitting
Tree shaking
Minification
Compression

CSS Optimization:

Critical CSS inlining
Unused CSS removal
Font optimization
Image optimization

Backend Optimization

PHP Optimization:

Opcode caching
Autoloader optimization
Memory management
Profiling tools

Database Optimization:

Query optimization
Index management
Connection pooling
Replication setup

Scalability Considerations

Horizontal Scaling

Load Balancing:

Multiple web servers
Database clustering
Cache distribution
CDN integration

Auto-Scaling:

Resource monitoring
Automatic scaling
Performance thresholds
Cost optimization

Vertical Scaling

Resource Allocation:

CPU optimization
Memory management
Storage optimization
Network optimization

Performance Tuning:

PHP configuration
Database tuning
Cache configuration
Server optimization

Testing & Validation

Performance Testing

Load Testing:

Concurrent user simulation
Peak load testing
Stress testing
Endurance testing

Real User Monitoring:

User experience tracking
Performance analytics
Error monitoring
Conversion tracking

Security Testing

Vulnerability Testing:

Automated scanning
Penetration testing
Code review
Security audits

Compliance Testing:

Privacy impact assessment
Security assessments
Regulatory compliance
Third-party audits

Troubleshooting Performance

Common Issues

Slow Loading:

Check network latency
Verify CDN configuration
Optimize assets
Review caching

High Memory Usage:

Monitor PHP processes
Check database connections
Review cache usage
Optimize queries

Database Performance:

Check query execution
Verify indexes
Monitor connection pool
Review table structure

Diagnostic Tools

Performance Tools:

New Relic monitoring
Blackfire profiling
Xdebug debugging
Custom performance dashboards

Debug Tools:

Query monitoring
Cache inspection
Network analysis
Error logging

Best Practices

Performance

Monitor Regularly: Track key metrics
Optimize Continuously: Regular performance tuning
Cache Strategically: Implement appropriate caching
Test Thoroughly: Performance testing before deployment

Security

Defense in Depth: Multiple security layers
Regular Updates: Keep software updated
Monitor Activity: Log and monitor access
Incident Response: Have response plans ready

Privacy

Data Minimization: Collect only necessary data
User Control: Respect user preferences
Transparent Practices: Clear privacy notices
Regular Audits: Privacy compliance reviews

Future Considerations

Emerging Technologies

WebAssembly: Potential performance improvements
HTTP/3: Enhanced network performance
Edge Computing: Reduced latency
AI Optimization: Automated performance tuning

Regulatory Changes

Evolving Privacy Laws:

Global privacy regulations
Sector-specific requirements
Technology-specific rules
Enforcement trends

Compliance Adaptation:

Template updates
Feature enhancements
Documentation updates
Training programs