Web Performance Daybook Volume 2 (ebook)(audiobook)(audiobook)

Spis treści

• Web Performance Daybook, Volume 2
• SPECIAL OFFER: Upgrade this ebook with OReilly
• Foreword
• From the Editor
• About the Authors
  • Patrick Meenan
  • Nicholas Zakas
  • Guy Podjarny
  • Stoyan Stefanov
  • Tim Kadlec
  • Brian Pane
  • Josh Fraser
  • Steve Souders
  • Betty Tso
  • Israel Nir
  • Marcel Duran
  • Éric Daspet
  • Alois Reitbauer
  • Matthew Prince
  • Buddy Brewer
  • Alexander Podelko
  • Estelle Weyl
  • Aaron Peters
  • Tony Gentilcore
  • Matthew Steele
  • Bryan McQuade
  • Tobie Langel
  • Billy Hoffman
  • Joshua Bixby
  • Sergey Chernyshev
  • JP Castro
  • Pavel Paulau
  • David Calhoun
  • Nicole Sullivan
  • James Pearce
  • Tom Hughes-Croucher
  • Dave Artz
• Preface
  • Conventions Used in This Book
  • Using Code Examples
  • Safari Books Online
  • How to Contact Us
• 1. WebPagetest Internals
  • Function Interception
  • Code Injection
  • Resulting Browser Architecture
  • Get the Code
  • Browser Advancements
• 2. localStorage Read Performance
  • The Benchmark
  • Whats Going On?
  • Optimization Strategy
  • Follow Up
• 3. Why Inlining Everything Is NOT the Answer
  • No Browser Caching
  • No Edge Caching
  • No Loading On-Demand
  • Invalidates Browser Look-Ahead
  • Flawed Solution: Inline Everything only on First Visit
  • Summary and Recommendations
• 4. The Art and Craft of the Async Snippet
  • The Facebook Plug-ins JS SDK
  • Design Goals
  • The Snippet
  • Appending Alternatives
  • Whew!
  • Whats Missing?
  • First Parties
  • Parting Words: On the Shoulders of Giants
• 5. Carrier Networks: Down the Rabbit Hole
  • Variability
  • Latency
  • Transcoding
  • Gold in Them There Hills
  • 4G Wont Save Us
  • Where Do We Go from Here?
  • Light at the End of the Tunnel
• 6. The Need for Parallelism in HTTP
  • Introduction: Falling Down the Stairs
  • Current Best Practices: Working around HTTP
  • Experiment: Mining the HTTP Archive
  • Results: Serialization Abounds
  • Recommendations: Time to Fix the Protocols
• 7. Automating Website Performance
• 8. Frontend SPOF in Beijing
  • Business Insider
  • CNET
  • OReilly Radar
  • The Cause of Frontend SPOF
  • Avoiding Frontend SPOF
  • Call to Action
• 9. All about YSlow
• 10. Secrets of High Performance Native Mobile Applications
  • Keep an Eye on Your Waterfalls
  • Compress Those Resources
  • Dont Download the Same Content Twice
  • Can Too Much Adriana Lima Slow You Down?
  • Epilogue
• 11. Pure CSS3 Images? Hmm, Maybe Later
  • The Challenge
  • Getting My Hands Dirty with CSS3 Cooking
  • Cross-Browser Results
  • Benchmarking
    • Payload
    • Rendering
  • Are We There Yet?
  • Appendix: Code Listings
    • HTML
    • CSS
• 12. Useless Downloads of Background Images in Android
  • The Android Problem
  • And the Lack of Solution
• 13. Timing the Web
  • Conclusion
• 14. I See HTTP
  • icy
  • Some details
  • Walkthrough
  • Todos
  • The Road Ahead
  • All I Want for Christmas
• 15. Using Intelligent Caching to Avoid the Bot Performance Tax
• 16. A Practical Guide to the Navigation Timing API
  • Why You Should Care
  • Collecting Navigation Timing Timestamps and Turning Them into Useful Measurements
  • Using Google Analytics as a Performance Data Warehouse
  • Reporting on Performance in Google Analytics
  • Limitations
  • Final Thoughts
• 17. How Response Times Impact Business
• 18. Mobile UI Performance Considerations
  • Battery Life
  • Latency
  • Embedding CSS and JS: A Best Practice?
  • Memory
    • Optimize Images
    • Weigh the Benefits of CSS
    • GPU Benefits and Pitfalls
    • Viewport: Out of Sight Does Not Mean Out of Mind
    • Minimize the DOM
  • UI Responsiveness
  • Summary
• 19. Stop Wasting Your Time Using the Google Analytics Site Speed Report
  • Problem: A Bug in Firefox Implementation of the Navigation Timing API
  • Solution: Filter Out the Firefox Timings in Google Analytics
  • Good News: The Bug Was Fixed in Firefox 9
  • Closing Remark
• 20. Beyond Web Developer Tools: Strace
  • What About Other Platforms?
  • Getting Started
  • Zeroing In
  • Example: Local Storage
  • Weve Only Scratched the Surface
• 21. Introducing mod_spdy: A SPDY Module for the Apache HTTP Server
  • Getting Started with mod_spdy
  • SPDY and Apache
  • Help to Improve mod_spdy
• 22. Lazy Evaluation of CommonJS Modules
  • Close Encounters of the Text/JavaScript Type
  • Lazy Loading
  • Lazy Evaluation to the Rescue
  • Building Lazy Evaluation into CommonJS Modules
• 23. Advice on Trusting Advice
• 24. Why Youre Probably Reading Your Performance Measurement Results Wrong (At Least Youre in Good Company)
  • The Methodology
  • The Results
  • Conclusions
  • Why Does This Matter?
  • Takeaways
• 25. Lossy Image Compression
  • Lossy Compression
• 26. Performance Testing with Selenium and JavaScript
  • Recording Data
  • Collecting and Analyzing the Data
  • Sample Results
  • Benefits
  • Closing Words
  • Credits
• 27. A Simple Way to Measure Website Performance
  • Concept
  • Advantages
  • Limitation
  • Conclusion
• 28. Beyond Bandwidth: UI Performance
  • Introduction
  • After the Page Loads: The UI Layer
  • UI Profilers
    • CSS Stress Test
    • CSS Profilers
    • CSS Lint
    • DOM Monster
  • Perception of Speed
  • Tidbits
  • Call for a Focus on UI Performance
• 29. CSS Selector Performance Has Changed! (For the Better)
  • Style Sharing
  • Rule Hashes
  • Ancestor Filters
  • Fast Path
  • What Is It Still Slow?
• 30. Losing Your Head with PhantomJS and confess.js
  • Performance Summaries
  • App Cache Manifest
  • Onward and Upward
• 31. Measure Twice, Cut Once
  • Identifying Pages/Sections
  • Identifying Features
  • Optimizing
• 32. When Good Backends Go Bad
  • What Is a Good Backend Time?
  • Figuring Out What Is Going On
  • Fixing It
  • Finally
• 33. Web Font Performance: Weighing @font-face Options and Alternatives
  • Font Hosting Services Versus Rolling Your Own
  • What the FOUT?
  • Removing Excess Font Glyphs
  • JavaScript Font Loaders
    • Introducing Boot.getFont: A Fast and Tiny Web Font Loader
  • Gentlefonts, Start Your Engines!
    • My Observations
  • Final Thoughts
• About the Author
• Colophon
• SPECIAL OFFER: Upgrade this ebook with OReilly
• Copyright

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