Front-end performance optimization

I. Understanding the Importance of Frontend Performance Optimization

• Direct Relationship Between User Experience and Performance
• Data Analysis of How Performance Affects Business Conversion Rates
• Performance Factors in Search Engine Rankings
• Special Performance Needs of Mobile Device Users
• ROI (Return on Investment) Analysis of Performance Optimization
• Higher Performance Demands of Modern Web Applications
• The Necessity of Performance Monitoring and Continuous Optimization

II. Network Transmission Optimization Strategies

• Methods to Reduce HTTP Requests
• Enabling Gzip/Brotli Compression Technologies
• Rational Use of CDN to Accelerate Static Resources
• Advantages and Applications of HTTP/2 and HTTP/3
• Resource Preloading (Preload/Prefetch) Techniques
• Domain Sharding Strategy
• Optimization Methods to Eliminate Redirect Chains
• Server Push Technology
• Intelligent Resource Loading Strategies
• Offline Caching Strategy Design

III. Frontend Resource Optimization Techniques

• Image Optimization: Format Selection and Compression
• Responsive Images and Lazy Loading Implementation
• Font File Optimization and Subsetting
• CSS Code Compression and Tree Shaking
• JavaScript Modularization and Code Splitting
• Application of New Image Formats like WebP/AVIF
• SVG Optimization and Icon Merging Strategies
• Optimized Loading Techniques for Video Resources
• Optimized Loading of Third-Party Scripts
• Resource Caching Strategy Design

IV. Rendering Performance Optimization

• Key Rendering Path Optimization Principles
• CSS Selector Performance Optimization
• Avoiding Layout Thrashing
• Techniques to Reduce Repaints and Reflows
• Optimizing Animations with the will-change Property
• Principles and Applications of Hardware Acceleration
• Implementation of Virtual Scrolling Technology
• Offscreen Rendering Optimization Techniques
• Composite Layer Optimization
• First Screen Rendering Time Optimization Strategies

V. JavaScript Execution Optimization

• Application of Debouncing and Throttling Techniques
• Web Worker Multithreading Optimization
• Memory Leak Detection and Prevention
• Event Delegation for Optimized Event Handling
• Strategies to Avoid Long Tasks
• Code Splitting and Lazy Loading Implementation
• Algorithm Complexity Analysis and Optimization
• Understanding and Optimizing Garbage Collection Mechanisms
• Microtask and Macrotask Optimization
• Optimization Techniques for Performance-Sensitive Code

VI. Build Tools and Packaging Optimization

• Tree Shaking Implementation
• Code Splitting Strategies
• Persistent Cache Configuration Optimization
• Application of Module Federation
• Bundle Size Analysis and Optimization
• Build Speed Optimization Techniques
• On-Demand Loading and Dynamic Imports
• Multi-Environment Packaging Configuration Optimization
• Source Map Optimization Strategies
• Comparison and Selection of Modern Packaging Tools

VII. Mobile-Specific Performance Optimization

• Optimization Strategies for Mobile Network Environments
• Touch Event Performance Optimization
• Mobile Device Memory Management
• Battery Consumption Optimization Techniques
• Mobile Image Loading Optimization
• Mobile First Screen Acceleration Solutions
• Progressive Web App (PWA) Optimization
• Mobile Animation Performance Optimization
• Experience Optimization in Weak Network Conditions
• Mobile Device Compatibility Optimization

VIII. Performance Monitoring and Analysis Tools

• Comprehensive Performance Analysis with Lighthouse
• Using Chrome DevTools Performance Panel
• In-Depth Performance Testing with WebPageTest
• Real User Monitoring (RUM) Implementation
• Performance Metrics Collection and Analysis
• Custom Performance Monitoring System Design
• Synthetic Monitoring vs. Real Monitoring
• Performance Benchmarking Methods
• Performance Anomaly Alert Mechanisms
• Performance Data Visualization

IX. Cutting-Edge Performance Optimization Technologies

• Performance Optimization Applications of WebAssembly
• Edge Computing and Frontend Performance
• Server-Side Rendering (SSR) Optimization Strategies
• Performance Advantages of Static Site Generation (SSG)
• Progressive Hydration Techniques
• Performance Benefits of Islands Architecture
• Applications of Streaming Rendering Technology
• Partial Hydration Optimization Strategies
• Performance Optimization with Emerging Browser APIs
• AI-Driven Performance Optimization Exploration

X. Performance Optimization Best Practices and Case Studies

• E-Commerce Website Performance Optimization Case Study
• Content Website Loading Optimization Practices
• End-to-End SPA Performance Optimization
• Large-Scale Enterprise Application Optimization Experience
• Common Pitfalls in Performance Optimization
• Progressive Performance Optimization Strategies
• Balancing Performance and Feature Development
• Performance Optimization Workflow in Team Collaboration
• AB Testing to Validate Optimization Results
• Methods to Establish a Performance Optimization Culture