Using WebPageTest

Table of Contents

1. Foreword
2. Preface
   1. Who Should Read This Book
   2. A Word on Web Performance Today
   3. Navigating This Book
   4. Conventions Used in This Book
   5. Using Code Examples
   6. Safari® Books Online
   7. How to Contact Us
   8. Acknowledgments
3. I. Basic Use Cases
4. 1. How Fast Is My Page?
   1. Measure What Matters
   2. Synthetic Versus RUM
5. 2. What’s Slowing Down My Page?
   1. Running a Simple Test
   2. Reading a Waterfall
      1. Waterfall Slope
      2. Connection View
      3. Common Anti-Patterns
   3. WebPageTest Grades
      1. First-Byte Time
      2. Keep-Alive Enabled
      3. Compress Transfer
      4. Compress Images
      5. Progressive JPEGs
      6. Cache Static Content
      7. Effective Use of CDNs
6. 3. Cache Optimization
   1. Enabling Repeat View
   2. Analyzing Cachability
   3. Heuristic Caching
7. 4. Comparing Tests
   1. Perceived Performance
   2. Capture Video
   3. Filmstrip and Video
      1. Speed Index
   4. Summary of Part I
8. II. Intermediate Use Cases
9. 5. Simulating Real Users
   1. Identifying Demographics
      1. Popular Pages
      2. Device and Browser
      3. Geographic Location
      4. Connection Speed
10. 6. Mobile Testing
    1. Desktop Emulation
    2. Traffic Shaping
    3. Native Devices
11. 7. Scripting Preconditions
    1. Flow View
       1. logData and navigate
    2. Authentication
       1. HTTP Basic Authentication
       2. DOM Manipulation
       3. Setting Cookies
12. 8. SPOF Testing
    1. Black-Hole Rerouting
       1. setDns
       2. SPOF Tab
    2. Blocking Requests
13. III. Advanced Use Cases
14. 9. WebPageTest API
    1. Getting Started
       1. Requesting a Key
    2. Running Tests
       1. Simple Example Test
       2. Advanced Example Test
    3. Reading the Results
       1. Polling Test Results
       2. Pingback Test Results
    4. Reading Beyond Results
15. 10. Continuous Integration
    1. Node.js Wrapper
       1. Installing the WebPageTest Node.js Wrapper
       2. Choosing Your WebPageTest Server
       3. Specifying the API Key
       4. Running the Tests and Reading the Results
       5. RESTful Proxy
    2. Asserting Metrics from Test Results
       1. JSON Test Specs
       2. Defining Assertion Comparison
       3. Setting Default Operations and Labels
       4. Available Output Text Template Tags
       5. Available Assertion Operations
       6. Overriding Labels
       7. Specifying Test Reporter
       8. Test Specs Examples
    3. Jenkins Integration
       1. Configuring Jenkins
    4. Travis-CI Integration
       1. Configuring Travis-CI
16. 11. Private Instances
    1. How Does WebPageTest Work?
    2. Using the Preconfigured AWS AMI
       1. Create an AWS User with Relevant Permissions
       2. Configure and Launch the AWS Instance
    3. Creating Your Own Local Installation
       1. Desktop Test Agents
       2. Mobile Test Agents
       3. Install Agent
       4. Add iOS Devices
       5. Bandwidth Shaping
       6. Remote Test Agents
    4. Private-Instance-Only Features
       1. Bulk Test
       2. Custom Metrics
    5. Day-to-Day Management
       1. Monitoring Queues and Test Agents
       2. Archiving Old Tests
       3. Updating an Instance
    6. Troubleshooting
    7. Contributing Changes to WebPageTest
17. A. API Input/Output Reference Guide
    1. Examples of Test Results
       1. When Test Is Not Complete
       2. When Test Is Complete
    2. Details of Test Results
    3. Details of Requests In Test Results
    4. API
       1. Locations
       2. Test
       3. Status
       4. Cancel
       5. Results
       6. Testers
       7. HAR
       8. Chrome Developer Tools Timeline
       9. Test History
       10. Response Body
       11. Waterfall
       12. Create Video
       13. Get Gzip Content
       14. Get Thumbnail
18. Index