# Guides

Investigate symptoms and implement monitoring tasks.

Version coverage: /docs/reference/versions/


{{< card-grid >}}
{{< link-card title="Configure a detector" description="Tune one condition without changing unrelated analysis." href="/docs/guides/configure-detector/" >}}
{{< link-card title="Investigate connection failures" description="Separate gathering, traversal, secure transport, and established-path failure." href="/docs/guides/connection-failures/" >}}
{{< link-card title="Investigate congestion" description="Compare sending and receiving evidence before choosing a network diagnosis." href="/docs/guides/congestion/" >}}
{{< link-card title="Investigate media disruption" description="Find where capture, delivery, decoding, or playout stops progressing." href="/docs/guides/media-disruption/" >}}
{{< link-card title="Diagnose missing statistics" description="Distinguish unavailable browser fields from missing telemetry delivery." href="/docs/guides/missing-statistics/" >}}
{{< link-card title="Interpret a quality score" description="Use scores to locate an affected component, then explain the evidence." href="/docs/guides/quality-score/" >}}
{{< /card-grid >}}