High Performance Browser Networking

Mike's Notes

Ilya Grigorik’s book High Performance Browser Networking provides valuable guidelines and advice on making websites fast. It’s also available as a free HTML book. The table of Contents (TOC) is below.

Ilya Grigorik is a web performance engineer at Google and co-chair of the W3C Web Performance Working Group.

Resources

High Performance Browser Networking

By: Ilya Grigorik
O'Reilly: 

Performance is a feature. This book provides a hands-on overview of what every web developer needs to know about the various types of networks (WiFi, 3G/4G), transport protocols (UDP, TCP, and TLS), application protocols (HTTP/1.1, HTTP/2), and APIs available in the browser (XHR, WebSocket, WebRTC, and more) to deliver the best—fast, reliable, and resilient—user experience.

Table of Contents

Networking 101

  • Primer on Latency and Bandwidth
    • Speed Is a Feature
    • The Many Components of Latency
    • Speed of Light and Propagation Latency
    • Last-Mile Latency
    • Bandwidth in Core Networks
    • Bandwidth at the Network Edge
    • Delivering Higher Bandwidth and Lower Latencies
  • Building Blocks of TCP
    • Three-Way Handshake
    • Congestion Avoidance and Control
    • Bandwidth-Delay Product
    • Head-of-Line Blocking
    • Optimizing for TCP
  • Building Blocks of UDP
    • Null Protocol Services
    • UDP and Network Address Translators
    • Optimizing for UDP
  • Transport Layer Security (TLS)
    • Encryption, Authentication, and Integrity
    • HTTPS Everywhere
    • TLS Handshake
    • TLS Session Resumption
    • Chain of Trust and Certificate Authorities
    • Certificate Revocation
    • TLS Record Protocol
    • Optimizing for TLS
    • Testing and Verification

Performance of Wireless Networks

  • Introduction to Wireless Networks
    • Ubiquitous Connectivity
    • Types of Wireless Networks
    • Performance Fundamentals of Wireless Networks
    • Measuring Real-World Wireless Performance
  • WiFi
    • From Ethernet to a Wireless LAN
    • WiFi Standards and Features
    • Measuring and Optimizing WiFi Performance
    • Optimizing for WiFi Networksobile Networks
  • Brief History of the G’s
    • Device Features and Capabilities
    • Radio Resource Controller (RRC)
    • End-to-End Carrier Architecture
    • Packet Flow in a Mobile Network
    • Heterogeneous Networks (HetNets)
    • Real-World 3G, 4G, and WiFi Performance
  • Optimizing for Mobile Networks
    • Preserve Battery Power
    • Eliminate Periodic and Inefficient Data Transfers
    • Anticipate Network Latency Overhead
    • Design for Variable Network Interface Availability
    • Burst Your Data and Return to Idle
    • Offload to WiFi Networks
    • Apply Protocol and Application Best Practices

HTTP

  • Brief History of HTTP
    • HTTP 0.9: The One-Line Protocol
    • HTTP/1.0: Rapid Growth and Informational RFC
    • HTTP/1.1: Internet Standard
    • HTTP/2: Improving Transport Performance
  • Primer on Web Performance
    • Hypertext, Web Pages, and Web Applications
    • Anatomy of a Modern Web Application
    • Performance Pillars: Computing, Rendering, Networking
    • Synthetic and Real-User Performance Measurement
    • Browser Optimization
  • HTTP/1.X
    • Benefits of Keepalive Connections
    • HTTP Pipelining
    • Using Multiple TCP Connections
    • Domain Sharding
    • Measuring and Controlling Protocol Overhead
    • Concatenation and Spriting
    • Resource Inlining
  • HTTP/2
    • Brief History of SPDY and HTTP/2
    • Design and Technical Goals
    • Binary Framing Layer
    • Streams, Messages, and Frames
    • Request and Response Multiplexing
    • Stream Prioritization
    • One Connection Per Origin
    • Flow Control
    • Server Push
    • Header Compression
    • Upgrading to HTTP/2
    • Brief Introduction to Binary Framing
  • Optimizing Application Delivery
    • Optimizing Physical and Transport Layers
    • Evergreen Performance Best Practices
    • Optimizing for HTTP/1.x
    • Optimizing for HTTP/2

Browser APIs and Protocols

  • Primer on Browser Networking
    • Connection Management and Optimization
    • Network Security and Sandboxing
    • Resource and Client State Caching
    • Application APIs and Protocols
  • XMLHttpRequest
    • Brief History of XHR
    • Cross-Origin Resource Sharing (CORS)
    • Downloading Data with XHR
    • Uploading Data with XHR
    • Monitoring Download and Upload Progress
    • Streaming Data with XHR
    • +Real-Time Notifications and Delivery
    • XHR Use Cases and Performance
  • Server-Sent Events (SSE)
    • EventSource API
    • Event Stream Protocol
    • SSE Use Cases and Performance
  • WebSocket+
    • WebSocket API+
    • WebSocket Protocol+
    • WebSocket Use Cases and Performance
    • Performance Checklist
  • WebRTC
    • Standards and Development of WebRTC+
    • Audio and Video Engines+
    • Real-Time Network Transports+
    • Establishing a Peer-to-Peer Connection+
    • Delivering Media and Application Data+
    • DataChannel+
    • WebRTC Use Cases and Performance
    • Performance Checklist
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