# Real user monitoring

> Latency from the user’s side, split by device: desktop, mobile, and tablet.

## Prerequisites

Research these first: [Distributed tracing](https://wiki.playquorum.dev/research/tracing.md).

## Facts

Real user monitoring
- **Track:** Observability
- **Era:** [Series C](https://wiki.playquorum.dev/eras/series-c.md)
- **Cost:** 25.0k 25.0k
- **Requires:** [Distributed tracing](https://wiki.playquorum.dev/research/tracing.md)

## See also

- [Research tree](https://wiki.playquorum.dev/research.md)

Source: https://wiki.playquorum.dev/research/rum