---
description: Diagnostics tools for collecting captures, running speed tests, and troubleshooting device connectivity in Digital Experience Monitoring.
title: Diagnostics
image: https://developers.cloudflare.com/og-docs.png
---

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# Diagnostics

Last updated Aug 24, 2026|Copy as Markdown|[View as Markdown](https://docs-durable-objects-instance-replaced-errors.previews.developers.cloudflare.com/cloudflare-one/insights/dex/diagnostics/index.md)|[Agent setup](https://docs-durable-objects-instance-replaced-errors.previews.developers.cloudflare.com/agent-setup/)

Diagnostics tools allow administrators to remotely investigate device connectivity and network performance issues. Use remote captures to collect packet captures and diagnostic logs from end-user devices, or run speed tests to measure network throughput and latency from the Cloudflare One client.

To access diagnostics, go to the [Cloudflare One dashboard ↗](https://dash.cloudflare.com/one) and select **Insights** \> **Digital experience** \> **Diagnostics**.

* [Client packet capture](https://docs-durable-objects-instance-replaced-errors.previews.developers.cloudflare.com/cloudflare-one/insights/dex/diagnostics/client-packet-capture/)
* [Speed test](https://docs-durable-objects-instance-replaced-errors.previews.developers.cloudflare.com/cloudflare-one/insights/dex/diagnostics/speed-test/)

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