Docs · Alert channels

Composing alert rules

Compose rules from severity, category, page-set, and threshold. Route per rule to one or more channels.

The four dimensions

Every alert rule selects findings on four dimensions: severity (error / warn / info), category (any of the 22 catalog categories), page-set (all monitored URLs, or a specific set), and threshold (fire when more than N findings match in one run, or fire on every match).

Examples

Common rules: 'severity:error -> PagerDuty' for the on-call team; 'category:metadata -> #marketing in Slack' for the content team; 'page-set:/blog/* AND severity:warn -> weekly email digest' for the editor team.

Diff awareness

Alert rules fire on the diff between runs by default. A check that has been red for six months stays in the report but does not page anyone. Switch to 'fire on every match' if you want every audit to alert; this is rarely the right choice.

Suppression windows

Each rule has an optional suppression window. Within the window, the same finding is not re-alerted. Use this for rules that route to noisy channels; the dashboard always shows the underlying findings even when alerts are suppressed.

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