When we built boomerang at Yahoo!, we planned on it being a generic beaconing system with different payloads attached by plugins. We published an API, and wrote plugins to measure page roundtrip time, network throughput and latency. We received other plugins from Yahoo! to measure IPv6 and DNS latency, and then nothing happened...
Until one day, a certain Mr. Brewer submitted a NavTiming plugin. As it turns out, people were using boomerang in-house, and creating their own plugins that were never published.
In this talk, we’ll go over the basics of writing a boomerang plugin to measure anything you need, some best practices involved with writing plugins, and examples of third party plugins that others have written.
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