Web Performance Optimization

  1. Caching Strategies
    1. Browser Caching Fundamentals
      1. HTTP Caching Headers
        1. Cache Storage Locations
          1. Cache Validation Process
          2. Cache-Control Header
            1. Directive Options
              1. Public vs Private Caching
                1. Max-Age Configuration
                  1. No-Cache and No-Store
                    1. Must-Revalidate Directive
                    2. Cache Validation
                      1. ETag Implementation
                        1. Last-Modified Headers
                          1. Conditional Requests
                            1. 304 Not Modified Responses
                            2. Expires Header
                              1. Absolute Expiration Times
                                1. Clock Skew Considerations
                                  1. Cache-Control vs Expires
                                  2. Content Delivery Networks (CDNs)
                                    1. CDN Architecture
                                      1. Geographic Distribution
                                        1. Edge Server Placement
                                          1. CDN Selection Criteria
                                          2. CDN Caching Strategies
                                            1. Edge Caching Configuration
                                              1. Cache TTL Settings
                                                1. Purging and Invalidation
                                                  1. Cache Warming Techniques
                                                  2. CDN Advanced Features
                                                    1. Origin Shield
                                                      1. Bandwidth Optimization
                                                        1. Security Features
                                                          1. Analytics and Monitoring
                                                          2. Application-Level Caching
                                                            1. Service Workers
                                                              1. Service Worker Lifecycle
                                                                1. Registration and Installation
                                                                  1. Cache API Usage
                                                                  2. Caching Strategies for PWAs
                                                                    1. Cache First Strategy
                                                                      1. Network First Strategy
                                                                        1. Stale-While-Revalidate
                                                                          1. Cache Only Strategy
                                                                            1. Network Only Strategy
                                                                            2. Offline Functionality
                                                                              1. Offline Fallbacks
                                                                                1. Background Sync
                                                                                  1. Cache Management
                                                                                  2. Cache Versioning
                                                                                    1. Updating Cached Assets
                                                                                      1. Cache Busting Techniques
                                                                                        1. Versioning Strategies

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                                                                                    5. Asset Optimization

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                                                                                    7. Rendering and Interactivity Optimization