Observability is the ability to measure the current state of a system. SREs are familiar with OpenTelemetry signals and how they can be used to diagnose issues. Yet in the frontend world, we're behind the curve.

Join me as I dive into the current state of OpenTelemetry for Web. I'll cover a simple example of logging, metrics and tracing using OTel web, specifically the Client Instrumentation libraries, and the types of metrics and traces we should collect to diagnose performance issues and client usage in UIs.

Carly is a Developer Advocate and Manager at Elastic, based in London, UK. Before joining Elastic in 2022, she spent over 10 years working as a technologist at a large investment bank, specialising in Frontend Web development and agility. She is an agile evangelist, UI enthusiast, and regular blogger.

She enjoys cooking, photography, drinking tea, and chasing after her young son in her spare time.