APPENDIX A

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Inspecting WebSocket Traffic

When experimenting and building applications with WebSockets, occasionally you may need to take a closer look at what exactly is happening under the covers. Throughout this book, we’ve used some of these tools to examine WebSocket traffic. In this appendix, we review three handy tools:

  • Google Chrome Developer Tools: a set of HTML5 applications that ships with Chrome and allows you to inspect, debug, and optimize Web applications
  • Google Chrome Network Internals (or “net-internals”): a set of tools that allows you to inspect network behavior including DNS lookups, SPDY, HTTP caching, as well as WebSocket ...

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