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  • performance.now() - Observability is for User Happiness

Emily Nakashima

Observability is for User Happiness

99.999% server uptime is a pointless goal if customers aren’t happy. But how do you know if users are happy? In this talk, Emily shares how observability has changed the way her team thinks about performance instrumentation and optimization, and how they’ve fixed some of its trickiest performance issues, optimized customer productivity, and used the data to drive the design of new features.

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