Even Faster Web Sites by Steve Souders, S. Souders, O'Reilly and Associates, Inc. Staff (Created by)

Credits; Preface; How This Book Is Organized; Conventions Used in This Book; Comments and Questions; Using Code Examples; Safari® Books Online; Acknowledgments; Chapter 1: Understanding Ajax Performance; 1.1 Trade-offs; 1.2 Principles of Optimization; 1.3 Ajax; 1.4 Browser; 1.5 Wow!; 1.6 JavaScript; 1.7 Summary; Chapter 2: Creating Responsive Web Applications; 2.1 What Is Fast Enough?; 2.2 Measuring Latency; 2.3 Threading; 2.4 Ensuring Responsiveness; 2.5 Summary; Chapter 3: Splitting the Initial Payload; 3.1 Kitchen Sink; 3.2 Savings from Splitting; 3.3 Finding the Split; 3.4 Undefined Symbols and Race Conditions; 3.5 Case Study: Google Calendar; Chapter 4: Loading Scripts Without Blocking; 4.1 Scripts Block; 4.2 Making Scripts Play Nice; 4.3 Browser Busy Indicators; 4.4 Ensuring (or Avoiding) Ordered Execution; 4.5 Summarizing the Results; 4.6 And the Winner Is; Chapter 5: Coupling Asynchronous Scripts; 5.1 Code Example: menu.js; 5.2 Race Conditions; 5.3 Preserving Order Asynchronously; 5.4 Multiple External Scripts; 5.5 General Solution; 5.6 Asynchronicity in the Real World; Chapter 6: Positioning Inline Scripts; 6.1 Inline Scripts Block; 6.2 Preserving CSS and JavaScript Order; 6.3 Danger: Stylesheet Followed by Inline Script; Chapter 7: Writing Efficient JavaScript; 7.1 Managing Scope; 7.2 Efficient Data Access; 7.3 Flow Control; 7.4 String Optimization; 7.5 Avoid Long-Running Scripts; 7.6 Summary; Chapter 8: Scaling with Comet; 8.1 How Comet Works; 8.2 Transport Techniques; 8.3 Cross-Domain; 8.4 Effects of Implementation onApplications; 8.5 Summary; Chapter 9: Going Beyond Gzipping; 9.1 Why Does This Matter?; 9.2 What Causes This?; 9.3 How to Help These Users?; Chapter 10: Optimizing Images; 10.1 Two Steps to Simplify Image Optimization; 10.2 Image Formats; 10.3 Automated Lossless Image Optimization; 10.4 Alpha Transparency: Avoid AlphaImageLoader; 10.5 Optimizing Sprites; 10.6 Other Image Optimizations; 10.7 Summary; Chapter 11: Sharding Dominant Domains; 11.1 Critical Path; 11.2 Who’s Sharding?; 11.3 Downgrading to HTTP/1.0; 11.4 Rolling Out Sharding; Chapter 12: Flushing the Document Early; 12.1 Flush the Head; 12.2 Output Buffering; 12.3 Chunked Encoding; 12.4 Flushing and Gzip; 12.5 Other Intermediaries; 12.6 Domain Blocking During Flushing; 12.7 Browsers: The Last Hurdle; 12.8 Flushing Beyond PHP; 12.9 The Flush Checklist; Chapter 13: Using Iframes Sparingly; 13.1 The Most Expensive DOM Element; 13.2 Iframes Block Onload; 13.3 Parallel Downloads with Iframes; 13.4 Connections per Hostname; 13.5 Summarizing the Cost of Iframes; Chapter 14: Simplifying CSS Selectors; 14.1 Types of Selectors; 14.2 The Key to Efficient CSS Selectors; 14.3 CSS Selector Performance; 14.4 Measuring CSS Selectors in the Real World; Performance Tools; Packet Sniffers; Web Development Tools; Performance Analyzers; Miscellaneous; Colophon;