Progressive Web Apps

  1. Service Workers
    1. Service Worker Fundamentals
      1. What are Service Workers
        1. Service Worker Architecture
          1. Event-Driven Programming Model
            1. Browser Support and Limitations
              1. Security Requirements
              2. Service Worker Lifecycle
                1. Registration Phase
                  1. Registration Syntax
                    1. Registration Scope
                      1. Registration Error Handling
                        1. Multiple Service Worker Registration
                        2. Installation Phase
                          1. Install Event Handling
                            1. Pre-caching Resources
                              1. Installation Success and Failure
                                1. Skip Waiting Functionality
                                2. Activation Phase
                                  1. Activate Event Handling
                                    1. Cache Cleanup
                                      1. Client Claiming
                                        1. Update Handling
                                        2. Idle and Termination
                                          1. Service Worker Lifecycle Management
                                            1. Memory Management
                                              1. Automatic Termination
                                            2. Network Interception
                                              1. Fetch Event Handling
                                                1. Request Interception
                                                  1. Response Modification
                                                    1. Request Routing
                                                    2. Network Request Types
                                                      1. Resource Requests
                                                        1. API Requests
                                                        2. Request and Response Objects
                                                          1. Request Properties
                                                            1. Response Construction
                                                              1. Headers Manipulation
                                                            2. Caching Strategies
                                                              1. Cache-First Strategy
                                                                1. Implementation Pattern
                                                                  1. Use Cases
                                                                    1. Fallback Handling
                                                                    2. Network-First Strategy
                                                                      1. Implementation Pattern
                                                                        1. Timeout Handling
                                                                          1. Cache Fallback
                                                                          2. Stale-While-Revalidate
                                                                            1. Background Updates
                                                                              1. Cache Freshness
                                                                                1. Implementation Considerations
                                                                                2. Network-Only Strategy
                                                                                  1. Dynamic Content Handling
                                                                                    1. Real-time Data Requirements
                                                                                    2. Cache-Only Strategy
                                                                                      1. Offline-First Applications
                                                                                        1. Static Content Serving
                                                                                      2. Service Worker Communication
                                                                                        1. Message Passing
                                                                                          1. PostMessage API
                                                                                            1. Broadcast Channel API
                                                                                              1. Client Communication
                                                                                              2. Service Worker Updates
                                                                                                1. Update Detection
                                                                                                  1. Update Notification
                                                                                                    1. Force Update Mechanisms
                                                                                                  2. Debugging Service Workers
                                                                                                    1. Browser DevTools
                                                                                                      1. Service Worker Inspection
                                                                                                        1. Event Logging
                                                                                                          1. Common Debugging Scenarios

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                                                                                                        2. Web App Manifest

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                                                                                                        4. Caching and Offline Functionality