Track the few indicators that explain the rest: completion rate, critical‑path latency, and guided success milestones. Include screenshot diffs and DOM snapshots to flag subtle UX regressions. Alert on rates and trends, not one‑off blips, preserving attention while catching genuine deterioration early enough to respond calmly.
Tune thresholds with historical baselines and maintenance windows. Bundle related failures across regions to one incident to avoid paging storms. Escalate only when impact is probable, and route rich context automatically, so responders see the story, not just a red light, and trust the system’s judgement.
Design views that answer who, where, and how bad at a glance. Pair funnel visualizations with error details, show experiment cohorts beside synthetic checks, and surface ownership clearly. When everyone understands the signal quickly, decisions speed up, accountability improves, and fixes reach customers without tedious debates.
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