Main-thread lag monitoring for browser apps: event loop lag, long tasks, Long Animation Frames, hangs, INP and Web Vitals from real users, as OpenTelemetry metrics, events and traces.
What is the mark1russell7/lag GitHub project? Description: "Main-thread lag monitoring for browser apps: event loop lag, long tasks, Long Animation Frames, hangs, INP and Web Vitals from real users, as OpenTelemetry metrics, events and traces.". Written in TypeScript. Explain what it does, its main use cases, key features, and who would benefit from using it.
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